- the sharp edge of a knifeOxford Collocations DictionaryKnife-edge is used before these nouns:
- vote
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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
- The economy is balanced on a knife-edge.
- (of a person) very worried or anxious about the result of something
- He’s living on a knife-edge, waiting for the test results.
Check pronunciation:
knife-edge