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knife-edge是什么意思

2023-12-25 00:23:17
knife-edge
n.  刀口;锋利的边缘
  近义词:criticalpoint,decisivepoint,turningpoint,watershed,crisis,crux,crunch,

英英释义

Noun
  1. a narrow boundary;

    "he lived on a knife-edge between genius and insanity"

例句

用作名词(n.)
  1. The edge of the knife has turned.刀口卷刃了。
  2. He bought a razor with a keen edge.他买了一把刀口锋利的剃刀。
  3. He handed me a knife with a keen edge.他递给我一把锋利的刀。
  4. You must be very careful with this sharp knife.你用这把锋利的刀子必须很小心。