Tian
(
天
)
Tian
(
天
)
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Vocabulary
HSK 7–9 ③
Day 40
伤脑筋
New
伤脑筋
伤脑筋
傷腦筋
sh
ā
ng n
ǎ
oj
ī
n
to be troubled by a problem, to rack one's brains
verb
Again
1
Hard
2
Good
3
Easy
4
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