Proverb-what is the sentence of shooting yourself in the foot?

shooting yourself in the foot-self-inflicted

Explanation: Metaphor meant to hurt others, but ended up hurting yourself

Source: Never treat me like a human being by Wang Shuo: "This is called' transformer effect' in physics and' shooting yourself in the foot' in the common saying." Let the wind and waves beat you, and I will never move. "

Synonyms: self-inflicted, self-bound, self-inflicted, self-inflicted, self-inflicted, and self-inflicted.