on a/the knife-edge

idiom

Definition of on a/the knife-edge

: in a dangerous or important situation in which two very different results are possible The election results hung on a knife-edge. a region resting on a knife-edge after several wars living on the knife-edge of poverty

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“On a/the knife-edge.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/on%20a%2Fthe%20knife-edge. Accessed 26 May. 2020.

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