knife-edge
noun/ˈnaɪf edʒ/
/ˈnaɪf edʒ/
[usually singular]Idioms - the sharp edge of a knife
刀刃 Oxford Collocations DictionaryKnife-edge is used before these nouns:- vote
Idioms
on a knife-edge
- (of a situation, etc.) in a difficult or dangerous situation in which a very small change can cause somebody/something to succeed or fail
处于紧要关头；结果难料 - The economy is balanced on a knife-edge.
经济形势尚不明朗。
- The economy is balanced on a knife-edge.
- (of a person) very worried or anxious about the result of something
十分焦虑；急于知道结果 - He’s living on a knife-edge, waiting for the test results.
他生活在刀刃上，等待测试结果。
- He’s living on a knife-edge, waiting for the test results.