no go

形容词 no go:

1. not functioning properly or in suitable condition for proceeding
   同义词：no-go

1. Once his decision is made, there will be no going back.
   他一旦做出决定，就没法回头了。
2. I tried to get him to increase my salary but it was clearly no go.
   我已尽力让他给我增加薪水，但显然行不通。