4.he is unwashed, uncouth, and drunk most of the time.
他龌龊堪,举止粗野,经常烂醉如泥。
5.He was unwashed, uncombed, with his clothes half buttoned.
他蓬头垢面且衣衫。
6.The boys in their grubby navy bow ties and blue uniforms were indistinguishably horrid—nose-pickers, thumbsuckers, snorers, neer-do-wells, farters, burpers, the unwashed and unclean.