tóu hūn yǎn àn
head spinning and eyes dark (idiom); dizzy
fainting; vertigo
头
tóu
head
昏
hūn
old variant of 昏[hun1]
眼
yǎn
eye (CL:隻|只[zhi1],雙|双[shuang1])
暗
àn
(literary) to close (a door)