old enough to know better
成語所屬單字know
old enough to know better — 慣用語
1. Old enough to behave in a more sensible way than you did.
1.慣用語
釋義
年紀不小了，應該懂事了
Old enough to behave in a more sensible way than you did.
例句
He's 15, old enough to know better than to throw rocks.
She's old enough to know better than to stay out late.