Definition
- C2
to be sufficiently wise, experienced, or well-behaved so as to avoid doing something foolish or inappropriate
理應明白事理，不至於做某事
As a veteran journalist, he should know better than to reveal the identity of his sources.
作為一名資深記者，他應該知道不能透露消息來源的身份。
They should know better than to enter my office without permission; they should know better than that.
他們應該知道不能未經許可進入我的辦公室；他們應該明白這一點。
You're an adult now; you should know better than to drive after drinking alcohol.
你現在是成年人了，應該知道不能在喝酒後開車。