have been there before
成語所屬單字there
have been there before — 慣用語
1. To have personal experience with a situation, so you understand it well.
1.慣用語
釋義
經歷過，有經驗
To have personal experience with a situation, so you understand it well.
例句
Don't worry about failing the test; I've been there before.
Maya knew how to handle the crisis because she had been there before.