pains的用法和樣例：
例句
用作名詞 (n.)
- They must pay lots of unbelievabe pains.
他們必須付出常人難以想像的辛苦。 - He got little reward for his pains.
他白辛苦了。
詞匯搭配
- pain 痛苦
- growing pains 發(fā)展時(shí)期(尤指初期)...
- No gains without pains. 不勞無(wú)獲。
- for all one's pains 盡管費盡力氣...
- at pains 盡力
