他行为端正。

He conducts himself well.

youdao

这个男孩行为端正，这证明了他母亲的悉心教导。

Thee well-behaved boy attests his mother's care.

youdao

这个男孩行为端正，这证明了他母亲的悉心教导。

Thee well-behaved boy attests his mother's care.

youdao