No government operates with a completely clean sheet.

没有任何政府执政一点也不失误。

Can I have a clean sheet, please?

我可以要一张干净的床单吗？

Score a goal or keep a clean sheet?

更愿意进球还是球队不丢球？

Mother is putting a clean sheet on the bed.

妈妈正在铺干净的床单。

He improvised a bandage out of a clean sheet.

他用干净的床单临时制作绷带。