I don't want you mucking up my nice clean floor.

我这地板又漂亮，又干净，不想让你弄脏。

《牛津词典》

I don't want you messing up my nice clean kitchen.

我不想让你弄脏我这整洁的厨房。

《牛津词典》

You end up with dry and clean and nice lettuce.

干爽洁净好吃的生菜就完成了。

youdao

If you drop a mercury thermometer, you should carefully clean up the mercury, which beads up into nice little silver-colored balls.

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Which is indeed nice as just about everyone else would just love to clean up the planet, reduce pollution and not boil Gaia but we have this sneaking suspicion that the costs of doing so are going to be greater than the benefits.

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