couldn't

英 [ˈkʊdnt]

美 [ˈkʊdnt]

could not 的常用口语形式

Collins.5

柯林斯词典

They put a screen in front of me so I couldn't see what was going on.
他们在我面前竖了一面屏风，所以我看不到发生了什么事情。
Why couldn't he listen to her?
他为什么不能听她的呢？
I couldn't manage anything without you.
没有你，我一事无成。
I couldn't get back to sleep.
我再也睡不着了。
I had a cold and couldn't decide whether to go to work or not
我感冒了，拿不定主意是否要去上班。
He explained and explained, but I still couldn't understand.
他说了又说，我还是不懂。
But why couldn't he tell me straight out?
可是他为什么不直截了当地告诉我？
Jamie e-mailed me to say he couldn't come
杰米给我发了电子邮件，说他不能来了。
What a pity you couldn't come here yesterday!
昨天你不能来，这真是件憾事！
It couldn't be better.
再好不过了。