bān​qǐ​shí​tou​zá​zì​jǐ​de​jiǎo

lift a rock only to drop it on one's own feet

Senses

搬起石头砸自己的脚/ 搬起石頭砸自己的腳 bān​qǐ​shí​tou​zá​zì​jǐ​de​jiǎo lift a rock only to drop it on one's own feet

to hurt oneself by one's own actions or when trying to harm others; to be hoisted by one's own petard; to shoot oneself in the foot

References

see 搬砖砸脚/搬磚砸腳 搬起石头砸自己的脚/搬起石頭砸自己的腳