唱低調

Simplified: 唱低调

chàngdīdiào ㄔㄤˋ ㄉㄧ ㄉㄧㄠˋ

    • to play down the facts or lower demands
    • to defuse a conflict by toning things down

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
to sing in a low key
Meaning
To play down the facts or lower demands; also to defuse a conflict by toning things down. Neutral.

Sources