B2 not achieving the hoped for result; not successful不成功的,失败的;落空的
More examples
Her bid for re-election was unsuccessful.
Attempts to trace the whereabouts of a man seen leaving the scene of the crime have so far been unsuccessful.
Our firm stands to lose a lot of money if the deal is unsuccessful.
We are sorry to inform you that your application has been unsuccessful.
We have been unsuccessful in finding a replacement.
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