be the done thing

成語所屬單字done

be the done thing — 慣用語

1. To be the socially acceptable way to behave in a particular situation.

1.慣用語
釋義

是合宜的行為

To be the socially acceptable way to behave in a particular situation.

例句

In Japan, bowing is the done thing when greeting someone.

At formal dinners, it's the done thing to wait for the host to start eating.