昏暗中，Ace坐在沙发上，笔记本的光线让人看不清脸上的表情。

昏暗中，Ace坐在沙发上，笔记本的光线让人看不清脸上的表情。

Results (English) 1:

In the dim, Ace sat on the sofa, the light from the notebook made people unable to see the expression on his face.

Results (English) 2:

In the dark, Ace was sitting on the sofa, and the light in his notebook made it hard to see the expression on his face.

Results (English) 3:

In the dark, ACE is sitting on the sofa, the light of the notebook makes people unable to see the expression on his face.