fire blanks
成語所屬單字blank
fire blanks — 慣用語
1. to make an effort that produces lots of noise or activity but no real result, of
1.慣用語
釋義
白費力氣；徒勞無功
to make an effort that produces lots of noise or activity but no real result, often used jokingly when someone keeps trying without success.
例句
The striker had four shots on goal but seemed to be firing blanks all evening.
Mateo felt he was firing blanks at every job interview that month.