ㄗㄨㄛˋㄐㄧㄢˇˋㄈㄨˊzuòjiǎn‑zìfú

作茧自缚
zuòjiǎn‑zìfùㄗㄨㄛˋ ㄐㄧㄢˇ ㄗˋ ㄈㄨˋ
  1. 自己包裹比喻反而使自己陷入困境自我束縛吐絲自縛」。 目光一些作繭自縛」。

to spin a cocoon around oneself (idiom)​; enmeshed in a trap of one's own devising, hoist by his own petard