if you must (do something)
成語所屬單字must
if you must (do something) — 慣用語
1. said when you are unwillingly giving permission for something.
1.慣用語
釋義
如果你非要這麼做
said when you are unwillingly giving permission for something.
例句
If you must open the window, please close it before you leave.
Take the old truck, if you must, but drive slowly on the hill road.