saw off the branch one is sitting on

动词 v.

英文释义

动词 v.
  1. To pursue a course of action that will lead to self-destruction.
    — A critic's role, he wrote, is that of “sawing off the branch on which one is sitting”: One can and may continue to sit on a branch while sawing it. There is no physical or moral obstacle if one is willing to risk the consequences.
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