pain/peɪn/

n. the feeling you have when you have been hurt

n. [C; U] 疼痛，疼：[have (或feel) a pain in sth] I felt a terrible pain in my back. 我背很疼。

◇He was groaning in pain. 他痛苦地呻吟着。

音组-ain/-eɪn/

brain; gain; main; pain; plain; rain; train

谚语No pains, no gains. 不劳无获。

辨析ache; pain