blind alley
成語所屬單字alley
blind alley — 慣用語
1. a way of trying to solve a problem or reach a goal that leads nowhere and forces
1.慣用語
釋義
死路；行不通的方法
a way of trying to solve a problem or reach a goal that leads nowhere and forces you to start again.
例句
After three weeks of testing, the engineers realised the new design was a blind alley.
Detective Park spent two months chasing the ex-husband, but the lead turned out to be a blind alley.