have the courtesy to do something

idiomPart ofcourtesy

have the courtesy to do something — idiom

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

1.idiom
Definition

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

Example

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.