搬石头砸自己的脚

bān shí tou zá zì jǐ de jiǎo

to move a stone and stub one's toe

to shoot oneself in the foot (idiom)

bān

to move (i.e. relocate oneself)

shí

abbr. for Shijiazhuang 石家莊|石家庄[Shi2 jia1 zhuang1], the capital of Hebei

tou

suffix for nouns

to smash

(bound form) self; oneself

self

de

of; ~'s (possessive particle)

jiǎo

foot