ㄅㄢbānˊshíㄊㄡ˙touㄗㄚˊˋㄐㄧˇㄉㄜ˙deㄐㄧㄠˇjiǎo

  1. 比喻自找麻煩弄巧成拙知會搬石頭砸自己的腳一定!」石頭自己」。

to move a stone and stub one's toe, to shoot oneself in the foot (idiom)​