Daily Chinese Idiom Guessing Game
The truth emerges clearly when the situation becomes clear.
水落下去，水底的石头就露出来。比喻事情的真相完全显露出来。
宋·欧阳修《醉翁亭记》野芳发而幽香，佳木秀而繁阴，风霜高洁，水落而石出者，山间之四时也。”宋·苏轼《后赤壁赋》山高月小，水落石出。”
After all the rumors, the investigation revealed the truth: water recedes, stones appear.