pain /pein/ n. 1.［u］ (精神)痛苦，苦痛：be in pain 在苦恼中；feel some (much) pain 感到几分(很大)痛苦 2.［u］&［c］(肉体)痛苦，疼痛：I have a pain/pains in my head (stomach). 我头(胃)痛。 I have pains all over. 我浑身疼痛。with pain疼痛地，痛得…：The boy was crying with pain. 这男孩痛得哭起来。 3.努力，辛苦(常用pl.)：No pains, no gains.［谚］不劳无获。 He spares no pains.他不辞辛劳。take pains 费力，辛苦：He took pains to win the prize. 他为了获奖而努力。
painful /ˈpeinful/ adj. 1. 疼痛的，引起疼痛的：a painful leg 疼痛的腿；a long and painful training 长期而且痛苦的训练 2. 困难的，令人不快的：a painful problem 棘手的问题； be in a painful situation 处于困难境地；speak with painful slowness 因伤心而讲话很慢
painfully adv.疼痛地
