does what it says on the tin
成語所屬單字tin
does what it says on the tin — 慣用語
1. used to say that something is exactly as it claims to be, without any hidden ext
1.慣用語
釋義
名實相符；說到做到
used to say that something is exactly as it claims to be, without any hidden extras or surprises.
例句
This software does what it says on the tin — simple file editing with no hidden fees.
The hotel was basic but it did what it said on the tin: clean rooms and breakfast included.