Tian
(
天
)
Tian
(
天
)
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Vocabulary
HSK 7–9 ③
Day 14
出毛病
New
出毛病
出毛病
ch
ū
m
á
o·b
ì
ng
to break down, to go wrong
verb
Again
1
Hard
2
Good
3
Easy
4
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