gnash

vt.

咬（牙）；

vi.

（牙）磨咬；上下叩击；（尤指因没有得偿所愿而）咬牙切齿；非常愤怒（或沮丧）

过去式：gnashed现在分词：gnashing第三人称单数：gnashes

1. He can almost hear the Auror gnash his teeth.
   他简直都能听到那个Auror在磨牙了。
2. There has been much gnash of teeth over the new legislation.
   不少人对新法规感到愤愤不平。
3. The driver fled after his car knocked somebody down, making other people gnash their teeth in anger.
   那个司机撞人后竟然逃跑了， 真令人啮齿。

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