No gains without pains. （No pains, no gains）
意思是没有不劳而获的事，不劳则无获。
（人不付出，何来收获。）
活学活用：
gains 收获、赚钱、增加
名词：
─ His investment brought him no gains at all.
他的投资没有带给他任何收益。
动词：
─ She worked to gain her living. 她工作挣生活费。
─ My watch gains 5 minutes. 我的表快5分钟。
─ gained an upper hand 占上风
─ gained control of something 指控制某些事
pains 痛苦、劳苦
名词：
─ I have pains all over. 我全身疼痛。
─ He is a pain in the neck. 他很令人讨厌；用来形容讨厌的人
动词：
─ My arm is paining. 我的胳膊痛。
─ My tooth pains me. 我的牙痛。