[作茧自缚 / 作繭自縛, zuò jiǎn zì fúㄗㄨㄛˋ ㄐㄧㄢˇ ㄗˋ ㄈㄨˊ] to spin a cocoon around oneself (成语 saw); enmeshed in a trap of one's own devising; hoist with his own petard#57861
[造茧自缚 / 造繭自縛, zào jiǎn zì fúㄗㄠˋ ㄐㄧㄢˇ ㄗˋ ㄈㄨˊ] to spin a cocoon around oneself (成语 saw); enmeshed in a trap of one's own devising; hoist with his own petard