揭盖子

Traditional (Taiwan): 揭蓋子

jiēgàizi ㄐㄧㄝ ㄍㄞˋ ˙ㄗ

    • to expose covered-up problems or conflicts

Character by character

Saying俗语俗語

Idiom惯用语 · In everyday use

Literally
lift the lid
Meaning
To expose problems or conflicts that were being covered up. Often approving of the exposure.

Sources