the done thing
成語所屬單字done
the done thing — 慣用語
1. the behaviour that is socially correct or expected according to the customs of a
1.慣用語
釋義
得體之舉；適當的做法
the behaviour that is socially correct or expected according to the customs of a particular group or situation.
例句
In Japanese culture, it is the done thing to bow when greeting someone older than you.
Bringing a small gift when you visit someone's home for dinner is the done thing in many countries.