头脑简单四肢发达
tóu​nǎo​jiǎn​dān​sì​zhī​fā​dá

all brawn no brains

  1. 头脑 頭腦 tóu​nǎo noun
    brains
    brains; mind; thinking ability
  2. 简单 簡單 jiǎn​dān adjective
    simple
    simple or uncomplicated in structure or head; easy to understand, process, or use
  3. 四肢 sì​zhī noun
    four limbs
    the four limbs of the human body (arms and legs); also used for the four legs of certain animals
  4. 发达 發達 fā​dá adjective
    developed
    developed; well-developed; flourishing