趕時髦

Simplified: 赶时髦

gǎnshímáo ㄍㄢˇ ㄕˊ ㄇㄠˊ

    • to keep up with the latest fashion

Character by character

Saying俗语俗語

Idiom惯用语 · In everyday use

Literally
chase what is fashionable
Meaning
To follow the latest fashions or trends. Can be neutral or mildly mocking, implying someone cares too much about being trendy.

Sources