Definition
To experience severe physical or mental suffering; to be in a state of extreme distress or torment.
痛苦不堪
He was on the rack while waiting for the exam results.
他在等待考试结果时感到极度煎熬。
When she found out that her project hadn't been approved, she felt on the rack.
当她发现自己的项目没有被批准时,她感到极度痛苦。
She was on the rack during the process of making this tough decision.
她在做出这个艰难决定的过程中感到极度煎熬。