| 单词 | knife-edge |
| 释义 | knife-edge From Longman Dictionary of Contemporary Englishknife-edgeˈknife-edge noun [singular]1 UNCERTAINa situation in which the result is extremely uncertainon a knife-edgeHis future in the job is balanced on a knife-edge.a knife-edge vote2 WORRIEDa situation which makes someone very anxiouson a knife-edgeLiving with him, she is constantly on a knife-edge.the knife-edge of insecurity3 SHARPsomething that is narrow or sharp |
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