be good


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be good

set phrase
1. Used to urge one to behave. Kids, please be good for your grandparents this weekend.
2. A valediction. All right, see you next week. Be good!
See also: good
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.

Be good.

a departure response meaning "good-bye and behave yourself." Jane: Well, we're off. Be back in a week. Mary: Okay, have fun. Be good. Jane: Do I have to? Tom: Bye. Be good. Bill: See you next month.
See also: good
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
See also:
References in periodicals archive ?
"My parents showed me by their behavior what it meant to be good." She paused and smiled.
"It is hard for people to be at peace, which is the basis for all joy, unless they are trying to be good," said a Benedictine monk.
"I choose to be good," said the other, whose life experience has not been so rosy, "because after death I want life to be easier."
And the motivation to avoid bad behavior is sometimes purely practical, as in the case of this individual: "I try to be good, because the bad life is too much of a hassle.
I think they may pretend to be good, but truly we are all selfish.
Heaven, self-respect and the Golden Rule: diverse group contemplates reasons to be good. (Spirituality)
I am good at dealing with double glazing salesmen, I am good at getting rid of religious loonies, and I used to be good at getting shot of Irish navvies wanting to resurface my drive.
Finding a way to deal with all door-to-door time-wasters
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