别那样盯着人看，这样很粗鲁。

Don't ___stare at people like that, it's rude.

查克静静地坐了几个小时，凝视着远方，思考着可能发生的事。

Chuck sat quietly for hours ___staring into the distance, thinking of what might have been.

大卫以前在公园见过她一次，她正盯着他看。

David had seen her once before in a park, ___staring at him.