披新裝

Simplified: 披新装

pīxīnzhuāng ㄆㄧ ㄒㄧㄣ ㄓㄨㄤ

    • to take on a completely new look

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
to put on new clothes
Meaning
To take on a completely new look. Approving.

Sources