[tóu nǎo]
（思維能力） brains; mind
mixed-up; muddleheaded
頭腦不清
have plenty of brains; have a mind of one's own
很有頭腦
have a head for mathematics
有數學頭腦
not use one's head
不用頭腦
get dizzy with success; be carried away by success
勝利沖昏頭腦
cannot make head or tail of sth.
摸不著頭腦