have the courtesy to do something

成語所屬單字courtesy

have the courtesy to do something — 慣用語

1. used to say that someone should behave politely in a particular situation, espec

1.慣用語
釋義

應有禮貌地做某事；起碼做到⋯⋯才算有禮貌

used to say that someone should behave politely in a particular situation, especially when they have failed to do so

例句

Shirin wished her neighbour had had the courtesy to warn her about the noisy renovation.

At least he could have the courtesy to admit that he made a mistake.