razor-edge

基本解释

• n.剃刀鋒口；尖銳的山脊；緊急關頭；鮮明的分界限

同根派生

• razor-edge相关词

英汉例句

• Since he escaped from gaol, Tom has been living on a razor's edge, terrified of recapture.
  湯姆越獄後,時時如驚弓之鳥,生怕再次被捕。

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