He brushed the cigarette ash from his sleeve.

他掸掉了袖子上的烟灰。

《柯林斯英汉双解大词典》

Don't drop cigarette ash on the carpet.

不要让香烟灰落在地毯上。

youdao

Don't drop cigarette ash on the carpet.

别把烟灰落在地毯上。

youdao

Airport staff found traces of cigarette ash in the toilet at Gate 34 and discovered the smoke alarm had been stuffed with toilet paper in a failed attempt to disarm it.

BBC: Airport evacuation smoker acquitted

Kafkor, sucking on the cigarette, became aware of the ash, too.

NPR: Excerpt: 'Legends'

With an e-cigarette your nicotine is delivered with propylene glycol and vegetable glycerin rather than tar and ash.

FORBES: Will E-cigarettes Become A Taxing Experience ?