grubbiest
adj. 肮脏的,不洁的( grubby的最高级 )
A grubby person or object is rather dirty.
His white coat was grubby and stained.
他的白色外套污迹斑斑,简直脏透了。
...kids with grubby faces.
脸上脏兮兮的孩子
If you call an activity or someone's behaviour grubby, you mean that it is not completely honest or respectable.
...the grubby business of politics.
肮脏的政治活动
Nowhere do dress down days mean that you can come to work in your grubbiest clothes.
着装轻松绝不意味着你可以穿皱巴不洁的衣服就来上班.