hoist with one's own petard

Adjective

alt-of alternative

Alternative form of hoist by one's own petard

Japanese Meaning

自分が仕掛けた罠や策略によって、自らが損害を被る（自作自演によって自滅する） / 自分の計略が裏目に出て、結果的に自分自身に災いを招く

He watched his hoist with one's own petard plan unravel as his allies turned against him.

彼は自分の策略で自滅する計画が仲間に裏切られて崩れていくのを見た。

Sense（1）

Alternative form of hoist by one's own petard