do (one's) homework

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do (one's) homework

1. Literally, to complete the school work that has been assigned by a teacher to be done at home. You can't watch any more television until you do your homework!
2. To be thoroughly prepared and informed about something or something, especially in advance of some process, action, or decision. Be sure you do your homework before heading into that meeting; there's a lot at stake, and no one's going to like it if you aren't up to speed. I always do my homework before I make big purchases.
See also: homework
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

do your homework

If you do your homework, you prepare for something, especially by finding out information about it. Before you buy any shares, do your homework. Doing your homework before you make your request will help you to have a confident manner.
See also: homework
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012

do your homework

examine thoroughly the details and background of a subject or topic, especially before giving your own views on it.
See also: homework
Farlex Partner Idioms Dictionary © Farlex 2017

do your ˈhomework (on something)

find out the facts, details, etc. of a subject in preparation for a meeting, a speech, an article, etc: He had just not done his homework for the interview. He couldn’t answer our questions.
See also: homework
Farlex Partner Idioms Dictionary © Farlex 2017
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References in periodicals archive ?
O'Neill believes that doing his homework will help McClean, who is renowned for his prodigious work-rate.
And he confessed he had been doing his homework on the Wigan man in front of the television.
Hughton has been doing his homework on the Birmingham squad and fringe players by compiling a file on them.
In October, Islam Badr, an 11-year-old student in Alexandria died after his teacher kicked him in the stomach for not doing his homework. The teacher was convicted of manslaughter and jailed for six years.
Mum's "sort of" snogging Uncle Jack; sister Lauren's hormonal and sulky, and young Oscar is probably upstairs doing his homework and awaiting a head-transplant, just like Martin Fowler did when we didn't see him from one year to the next.
Meetings have been planned to discuss the safety of pen tops after a teenager choked to death while doing his homework.
Ben Stirland slipped off his chair at home and swallowed the top from the pen he had been chewing while doing his homework.
His home life was so chaotic, that he was having difficulty doing his homework.
Perhaps the prospective Conservative candidate would be best employed doing his homework, rather than making erroneous statements in the press.
He spends about 10 hours per week doing his homework, communicating with his professors and fellow students via the Internet.
It would be extremely award to tell one's golfing or sailing partner that he hasn't been doing his homework. It would be impolitic to ask your bank chairman to resign because he misses too many meeting.
Jake often fell asleep in the den while doing his homework. They zeroed in on ...
* ABC Ray Valek, communication services manager at University of Chicago Hospitals, was doing his homework, studying an article on health-care reform published in Healthcare Marketing Report.
Halperin was cited as being knowledgeable with a reputation for doing his homework.