披绿装

Traditional (Taiwan): 披綠裝

pīlǜzhuāng ㄆㄧ ㄌㄩˋ ㄓㄨㄤ

    • to plant trees and grass to green the land

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
to put on green clothes
Meaning
To plant trees and grass to make the land green. Approving.

Sources