这些水果因为沾上了泥土而不干净了。

These fruits are ___impure because they got dirty from the soil.

他的不纯动机在这场交易中暴露无遗。

His ___impure motives were fully exposed during the deal.

这瓶水含有杂质，不能再喝了。

This bottle of water is ___impure and should not be drunk.