頭昏腦脹

tóuhūnnǎozhàng

(of head) dizzy or swell; often used to describe extreme tension or fatigue of nerve caused by many clues or long time of working.

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tou2 hun1 nao3 zhang4

giddy, one's head spins

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頭昏腦脹|头昏脑胀 [tóu hūn nǎo zhàng] ► giddy ► one's head spins