If a feeling, emotion, or shape is etched somewhere, it can be seen there very clearly.

His face was etched with pain. 他的脸上流露出痛苦的神情。

Confusion and sadness were etched on their faces. 他们一脸的迷茫和悲哀。

The foothills of the Himalayas were sharply etched against the pale blue sky. 在淡蓝色天空的映衬下，喜马拉雅山的山麓小丘轮廓清晰鲜明。