灰
huī
ash; dust
In a story
每次老顾觉得这个月要交不起房租了，就会来一个戴灰帽子的年轻人，一下子买走一大箱书。Every time Old Gu thought he couldn't pay that month's rent, a young man in a grey hat would turn up and buy a whole box of books in one go.对门 · Across the Street · HSK 6
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