pain/peɪn/
n.1. 痛苦；悲痛His bad behaviour caused his parents a great deal of pain.他的不良行为使他的父母感到非常痛苦。
2. 痛；疼痛He had a pain in his head.他头疼。
He has pains / a pain / pain in the shoulders.他两肩痛疼。
Has the pain passed off yet?不痛了吧？
3. 苦恼；烦闷； 讨厌的人；讨厌的物；厌恶She's a real pain.她真是一个令人讨厌的人。
(= pain in the neck)4. (pl) 辛苦；努力No pains, no gains.; No gains without pains.(谚)不劳则无获。
We must give him sth. for his pains.我们必须给他点什么以便酬报他的辛劳。