HSK 5 · noun · adjective
灰
grey; ash; dust (灰)
他的头发花白，有点儿发灰。
Tā de tóufa huābái, yǒudiǎnr fā huī.
His hair is going grey.
他穿了一件灰色毛衣。
Tā chuānle yí jiàn huīsè máoyī.
He put on a grey sweater.
这次比赛虽然败了，我们都没有灰心。
Zhè cì bǐsài suīrán bài le, wǒmen dōu méiyǒu huīxīn.
Although we lost this match, none of us lost heart.
桌子上有很多灰尘，得擦一擦。
Zhuōzi shàng yǒu hěn duō huīchén， de cā yì cā。
There's a lot of dust on the table; it needs a wipe.