1.behave的基本意思是“举止”“表现”,指作出某种举动或说出某种话语。behave常用well、badly等方式状语修饰,如无修饰语时,则指举止得体、行为有礼,等于behave well,常用于儿童和青少年。
2.behave主要用作不及物动词,偶尔用作及物动词时,仅以反身代词作宾语，主要用于大人对孩子说话。
3.Do behave!和Behave yourself!是表示命令的句子,意思都是“规矩些!”,是对人的申斥语,Do behave多用于口语中。

behave (yourself)
规矩一点 act in a socially acceptable or polite way
Behave yourself!规矩点!
Do behave!规矩点!
Behave!放规矩点!

用作不及物动词
▲S+～(+A)
You must behave.你得守规矩。
He has behaved well at school.他在学校表现良好。
The new fighters behave gallantly under fire.新战士在炮火下表现得很勇敢。
He has behaved badly to his children.他虐待孩子。
He behaves well towards his wife.他待妻子很好。
Don't behave like that!不要那个样子!
The judge said the rioters had behaved like animals.法官说那些暴徒的行为像野兽一样。
She behaved as if she were a child.她的举止像个小孩。
He behaves in a respectful way.他举止彬彬有礼。
She's been behaving rather oddly.她一直表现得颇为古怪。
How is the new engine behaving?新发动机运行得怎样?
用作及物动词
▲S+～+n./pron.
I wish they would behave themselves.我希望他们能守规矩。
He behaves himself like a man.他表现得像一男子汉。
◇ 用于be ～ed结构
He is now better behaved.他现在很规矩。

behave, acquit, conduct, demean
这组词都可表示“检点,守规矩”。它们的区别在于:
behave常通过修饰语表达各种各样的言和行; conduct则强调举止有度,符合要求、意愿等; demean表示“与…相称,得体”,有时有“降低身份”的意思; acquit的宾语常是反身代词,多用于令人赞叹或令人满意的行为举止。
behave, act
参见act条。