pain 是不可数名词，意为：痛苦；刻苦；令人厌烦的人[事物]；身体某部分的疼痛[不适]。
例句：The pain was almost more than he could bear.
这种痛苦几乎使他无法忍受。
相关介绍
This should help reduce the pain.
这个应有助于减轻痛楚。
It pains me to see you like this.
看到你这副模样真令我难过。
She was clearly in a lot of pain.
她显然疼痛万分。
The couple went to great pains to keep their plans secret.
这对夫妇煞费苦心，对计划守口如瓶。
Back pains can be the result of bad posture.
腰背疼可能是不良姿势造成的。
I never meant to cause her pain.
我从没有让她痛苦之意。
