蓬头垢面的英文：
[Literal Meaning]
fluffy/hair/dirty/face
of disheveled hair and dirty faces

[解释]
头发蓬乱，脸上很脏。形容穷人生活条件很坏。

[Explanation]
with a dirty look

[例子]
街上的乞丐都蓬头垢面，伸出满是污泥的手向行人乞讨。

[Example]
The beggars in the street were all unkempt and dirty and stretched out their dirty hands to beg from many pedestrians.

The once dapper, cheerful agent had become seedy looking and bitter.
昔日风度翩翩、容光焕发的经纪人，今天变成了衣衫褛褴，蓬头垢面的人。