“水落石出”，汉语成语，字面意思是水落下去，水底的石头就露出来（As the water level sinks,the stones are exposed.）。比喻事情的真相完全显露出来。可以翻译为“everything comes to light；truth is out；get to the bottom of something”。

例句：

政府重申一定要查个水落石出。

The government reiterated its resolve to uncover the truth.

她起了疑惑，便决定弄个水落石出。

She got suspicious and decided to get to the bottom of it.