know better


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know better (than to do something)

to be wise enough, experienced enough, or well trained enough not to have done something wrong. Mary should have known better than to accept a lift from a stranger. Children should know better than to play in the road.
See also: better, know

know better (than to do something)

1. to be wise enough to behave in a more responsible or acceptable way It was a stupid thing to do, and I thought she knew better. You know better than to interrupt when someone else is talking.
Usage notes: sometimes used in the form not know any better: Doesn't she know any better than to wear jeans to a place like this?
2. to be wise enough to know that you should not believe someone or something The guy who was trying to sell us the car said it was in great condition, but I knew better.
See also: better, know

know better

Be able to recognize something as wrong or not possible, as in Mary should know better than to leave her child alone in the house, or Try to get in without a ticket? You know better than that. [c. 1700]
See also: better, know
References in periodicals archive ?
Jack took a swig of 'is ale an' replahd: "Aye they reckon 'e does know better.
Maybe, after all, there are only three kinds of people in this world: those who are dumb enough to think there are only three kinds of people in this world, those who are smart enough to know better, and those who are cunning enough to profit off the former.
R) Now You Know Better $1,000,000 Game Show gives consumers the chance to showcase their knowledge about things they should know better about, including how to live a healthier lifestyle.
Amyl nitrate is the only drug gay people can claim to know better than straight people," wrote journalist Karen West.
Although both Machiavelli and the Mafia counsel keeping your enemies close, veteran bureaucrats know better.
I never allowed my wife to work, never tried drugs, never indulged in heavy drinking, and have always been disappointed in mankind -- especially those who are educated and should know better.
You Know Better by Tina McElroy Ansa William Morrow & Co.
Future parents may know better when that dash will begin, if a report in the May Nature Medicine proves accurate.
R) Now You Know Better $1,000,000 Game Show live against Diamond and other "know better heads.
They know better than to seek outright independence -- previous efforts at breakup have been quashed by the anti-education education establishment.
Though it's uncertain how many people the playful porpoise has tried to, uh, get to know better, the resort's former public relations rep has revealed to us that at one point Club Med faced several lawsuits from women claiming they were victims of JoJo's unwanted affection.
While public officials extol the virtues of "consumer choice" in a free-market health-care system, large private firms know better.
He and Purdue graduate student Feng Bin Wang now know better.
It's not as if we don't know better, for themilitary has gone through this drill before.
R) Now You Know Better $1,000,000 Game Show live against Gary Coleman and other "know better heads.