头脑简单四肢发达

tóu nǎo jiǎn dān sì zhī fā dá

all brawn no brains

头

tóu

head

脑

nǎo

brain

简

jiǎn

simple

单

dān

bill

四

sì

four

肢

zhī

limb

发

fā

to send out

达

dá

to attain