razor-edge

基本解释

• n.剃刀锋口；尖锐的山脊；紧急关头；鲜明的分界限

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.
  汤姆越狱后,时时如惊弓之鸟,生怕再次被捕。

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