knife-edge
noun /ˈnaɪf edʒ/
/ˈnaɪf edʒ/
[usually singular]Idioms - the sharp edge of a knifeOxford 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
- 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.