东一榔头西一棒子

dōng yī láng tóu xī yī bàng zi

banging away clumsily in all directions with no overall vision

dōng

east

one

láng

tall tree (archaic)

tóu

head

西

the West

one

bàng

stick

zi

noun suffix, as in 椅子[yi3 zi5] "chair"