distinguish

An expert can distinguish a genuine diamond from a piece of high-quality glass in seconds.

(Chinese) 专家可以在几秒钟内从一块高质量玻璃中辨别出真钻石。

The heavy fog made it difficult to distinguish the shoreline from the dark water of the lake.

(Chinese) 大雾使得很难区分湖岸和漆黑的湖水。