for nothing

成語所屬單字nothing

for nothing — 慣用語

1. without achieving anything useful; in vain.

1.慣用語
釋義

白費力氣;徒勞

without achieving anything useful; in vain.

例句

Gabriel waited for two hours, but it was all for nothing — he never showed up.

All our hard work will be for nothing if the funding runs out.