v 弄(变)脏((cause to) become dirty)[I，T+n](fml)：White gloves～easily. 白手套容易脏。a shirt collar～ed with sweat 有汗渍的衬衣领子;～one's trousers/one's dress 弄脏了自己的裤子/衣服;～the carpet with one's muddy shoes 穿着泥鞋踩脏了地毯;put the～ed clothes into water 把脏衣服放进水中;That～ed linen must be washed. 那不干净的亚麻制品必须洗了。〖同〗dirty，stain，spot，muddy，blacken;〖反〗clean，whiten;

n(1)污垢(物)(dirt;anything that soils)[U]：What's the～on your collar? 你衣领上是什么脏东西?〖同〗stain，dirt，spot;

(2)粪便(human waste)[U]：S～is carried away from a house through a sewer. 粪便由下水道排出屋外。