take the lid off
US /teɪk ðə lɪd ɔf/
UK /teɪk ðə lɪd ɔf/

1.
揭露, 揭開蓋子
to reveal something secret or scandalous
:
•
The journalist threatened to take the lid off the corruption scandal.
記者威脅要揭露腐敗醜聞。
•
It's time to take the lid off what's really happening behind the scenes.
是時候揭露幕後真相了。