teach

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those who can't do, teach

Those who are unable to successfully find a career in their field of interest end up teaching about it instead. (A shortening of "Those who can, do; those who can't, teach.") A: "I know he always aspired to be a great novelist, but the last I heard, he's still teaching middle school English." B: "Well, those who can't do, teach."
See also: teach, those, who

don't teach your grandmother to suck eggs

An older person is wiser and more experienced and worldly than a young person may think—thus, the older person does not need to be taught. I may be 70, but I've been using a computer since before you were born! Don't teach your grandmother to suck eggs, sonny!
See also: egg, grandmother, suck, teach

teach a man to fish

Teaching someone how to do something is more helpful to him or her in the long run than just doing it for him or her. The full proverb is "give a man a fish and you feed him for a day; teach a man to fish and you feed him for a lifetime." A: "I don't want to teach Billy how to drive!" B: "Well, I know you're sick of driving him around, and this is a solution. Give a man a fish and you feed him for a day; teach a man to fish and you feed him for a lifetime!" I'm trying to show my grandfather how to use his new computer, so that he won't call me with questions every time he tries to use it—teach a man to fish and all that.
See also: fish, man, teach

teach one's grandmother to suck eggs

Fig. to try to tell or show someone more knowledgeable or experienced than oneself how to do something. Don't suggest showing Mary how to knit. It will be like teaching your grandmother to suck eggs. Don't teach your grandmother to suck eggs. Bob has been playing tennis for years.
See also: egg, grandmother, suck, teach

teach someone a lesson

to get even with someone for bad behavior. John tripped me, so I punched him. That ought to teach him a lesson. That taught me a lesson. I won't do it again.
See also: lesson, teach

that'll teach someone

Inf. What happened to someone is a suitable punishment! (The someone is usually a pronoun.) Bill: Tom, who has cheated on his taxes for years, finally got caught. Sue: That'll teach him. Bill: Gee, I got a ticket for speeding. Fred: That'll teach you!
See also: teach

Those who can, do; those who can't, teach.

Prov. People who are able to do something well can do that thing for a living, while people who are not able to do anything that well make a living by teaching. (Used to disparage teachers. From George Bernard Shaw's Man and Superman.) Bob: I'm so discouraged. My writing teacher told me my novel is hopeless. Jane: Don't listen to her, Bob. Remember: those who can, do; those who can't, teach.
See also: teach, those, who

*tricks of the trade

special skills and knowledge associated with any trade or profession. (*Typically: know ~; learn ~; show someone ~; teach someone ~.) I know a few tricks of the trade that make things easier. I learned the tricks of the trade from my uncle.
See also: of, trade, trick

You cannot teach an old dog new tricks.

Prov. Someone who is used to doing things a certain way cannot change. (Usually not polite to say about the person you are talking to; you can say it about yourself or about a third person.) I've been away from school for fifteen years; I can't go back to college now. You can't teach an old dog new tricks. Kevin's doctor told him not to eat starchy food anymore, but Kevin still has potatoes with every meal. I guess you can't teach an old dog new tricks.
See also: cannot, dog, new, old, teach, trick

teach (somebody) a lesson

also teach a lesson to somebody
to show what should not be done You would think that losing her job because she took too much time off would have taught her a lesson, but it's happened again! He had this idea that the government is evil and must be taught a lesson, so he blew up a government office.
See also: lesson, teach

teach school

to instruct students in a school Buller left journalism to teach school, and he wrote several books about his experiences.
See also: school, teach

tricks of the trade

methods that help you to do a job better or faster As a journalist, you learn the tricks of the trade pretty quickly or you don't get your stories.
See also: of, trade, trick

teach somebody a lesson

to punish someone so that they will not behave badly again The next time she's late, go without her. That should teach her a lesson.
See also: lesson, teach

teach your grandmother to suck eggs

  (British & Australian)
to give advice to someone about a subject that they already know more about than you You're teaching your grandmother to suck eggs, Ted. I've been playing this game since before you were born!
See also: egg, grandmother, suck, teach

You can't teach an old dog new tricks.

something that you say which means it is difficult to make someone change the way they do something when they have been doing it the same way for a long time You're never going to teach your father at the age of 79 to use a computer. You can't teach an old dog new tricks, you know.
See also: dog, new, old, teach, trick

tricks of the trade

clever methods that help you to do a job better or faster As a journalist, you learn the tricks of the trade pretty quickly or you don't survive.
See also: of, trade, trick

teach a lesson

Punish in order to prevent a recurrence of bad behavior. For example, Timmy set the wastebasket on fire; that should teach him a lesson about playing with matches . This term uses lesson in the sense of "a punishment or rebuke," a usage dating from the late 1500s. Also see learn one's lesson.
See also: lesson, teach

teach an old dog new tricks

Change longstanding habits or ways, especially in an old person. For example, His grandmother avoids using the microwave oven-you can't teach an old dog new tricks. This expression, alluding to the difficulty of changing one's ways, was first recorded in 1523 in a book of husbandry, where it was used literally. By 1546 a version of it appeared in John Heywood's proverb collection.
See also: dog, new, old, teach, trick

tricks of the trade

Clever ways of operating a business or performing a task or activity, especially slightly dishonest or unfair ones. For example, Alma knows all the tricks of the trade, cutting the fabric as close as possible, or The butcher weighs meat after it's wrapped; charging for the packaging is one of the tricks of the trade .
See also: of, trade, trick

That’ll teach someone

sent. That is what someone deserves. That’ll teach you to pull out in front of me.
See also: teach

tricks of the trade

n. special skills and knowledge associated with any trade or profession. I know a few tricks of the trade that make things easier.
See also: of, trade, trick

You can't teach an old dog new tricks

Getting people to change their habits or acquire new skills is impossible. Puppies are teachable, but older dogs are less apt to be able to be trained, or so popular wisdom had it. By the same token, an octogenarian who has read the morning newspaper for decades is unlikely to be willing, much less eager, to switch to the online edition.
See also: dog, new, old, teach, trick
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Chula Vista resident Eduardo OchoaeIUs classroom is always open to his eighth-grade students at Marston Middle School in San Diego, where he teaches U.
Aya arrived in Australia in 1998 and teaches Japanese LOTE.
Coco Mendoza, 35, teaches kindergarten; Norma Mendoza, 37, teaches first grade; Dora Mendoza Alvarez, 28, teaches third; and Rosa Mendoza, 31, teaches fourth.
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I also realize that a community-college compensation package is not as attractive as one for someone who spends several years earning a PhD and teaches at the university level.
Hammel teaches music education and music appreciation at the University of Richmond in Virginia.
The Church teaches "that it is licit to take into account the natural rhythm immanent in the generative functions--the Church is coherent with herself when She considers recourse to the infecund periods to be licit while at the same time condemning, as being always illicit, the use of means directly contrary to fecundation" (Humanae vitae, n.
It is fundamental to our faith that the church teaches as a faithful witness to the Good News of jesus Christ, from ancient times through the present, guided by the Holy Spirit.
For each course the professor teaches, students fill out evaluations, usually 13 questions to rate different factors from "poor" to "excellent"; a salary committee assesses all the evidence, and a final rating is computed.
Peiyu Ye teaches at the Northern Secondary School attached to East China Normal University in Shanghai, China.
Taube teaches mathematics methods courses and implements professional development programs for teachers.
Faye Valentine, who teaches photography and ceramics at Valencia High, has been a teacher with the William S.
A syllabus is only as good as the teacher who teaches it," she explained.
A believer has the absolute obligation of conforming his conduct first and foremost to what the Church teaches .
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