感到极度痛苦的英文怎么说

感到极度痛苦的英文：
agonize

Intensely painful;agonizing.
使苦恼的使人极痛苦的；烦恼的

An agonizing pain,delay,decision
折磨人的疼痛,恼人的耽搁,痛苦的决定.

All the time she agonized and prayed.
她一直在忍受痛苦并且祈祷。

Why do you agonize yourself with the thought of your failure?
你为何总是对于你的失败念念不忘而自我折磨呢？

He watched helplessly as his mother died an agonizing death
他无助地看着母亲痛苦地死去。