She was a well-behaved child.

她是个表现好的乖孩子。

She's a very well-behaved dog, but some people are still scared of her because she's big.

她是一条很乖的狗，但是有些人还是很怕她，因为她很大。

They were a very well-behaved crowd.

人群行为很得体。

Try to act like a well-behaved child.

试着表现得像个好孩子。

Raised in an intellectual family, he is always well-behaved.

他出生在一个知识分子家庭，总是彬彬有礼。

Think I tried so hard to make you a well-behaved Marionette!

想想看，我费了那么大的劲才把你变成一个规规矩矩的木偶！

He is a well-behaved man.

他是一个举止得体的人。