"could" en el diccionario Inglés-Chinese

could
aux vb

1  (referring to past) we couldn't go to the party  我们没能去参加聚会
[wŏmen méi néng qù cānjiā jùhuì]
last year we couldn't afford a holiday  去年我们度不起假
he could be very unkind  他可能会很刻薄
he couldn't read or write  他不会读也不会写
we could hear him whistling  我们能听到他正在吹口哨
she said she couldn't hear me  她说听不见我说的话

2  (possibility) he could be in the library  他可能在图书馆
[tā kĕnéng zài túshūguăn]
I couldn't be happier  我再高兴不过了
he could be released next year  他明年可能被释放
you could have been killed!  可能你连命都没了！
the accident could have been caused by an oil leak  事故可能是由石油泄漏引起的

3 (in conditionals with "if") if we had more time, I could finish this 如果有更多时间，我能够完成的
[rúguŏ yŏu gèngduō shíjiān, wŏ nénggòu wánchéng de]
we'd have a holiday, if we could afford it 如果能支付得起的话，我们就去度假了

4  (in offers, suggestions, requests) 可以 [kĕyĭ]
I could call a doctor  我可以叫个医生
we could always go to the cinema  我们还是可以去看电影
couldn't you give him a call?  你可不可以给他打个电话？
could I borrow the car?  我可以借一下车吗？
if I could just interrupt you for a minute  我是否可以打扰你一小会儿
he asked if he could make a phone call  他问是否可以打个电话

5  (emphatic) you could at least be polite!  你至少可以礼貌点儿！
[nĭ zhìshăo kĕyĭ lĭmàodiănr!]
you could have told me!  你早该告诉我！
I could scream!  我真想大叫！
how could you have lied to me?  你怎么能向我撒谎呢？