could中文什么意思

(can 的过去式)
1.〔特殊用例〕打算，要，想。 I could laugh for joy. 我高兴得想笑。 Really I could not think of it. 真的那是我不愿意考虑的。 I couldn't think of allowing it. 我没有允许的意思。 ★could 与感觉动词连用时，表示“要，想”，与一般动词连用而表示“能够”时，为避免与“要，想”混淆起见，通例不说 could 而改说 was [were] abl+更多解释...e to, 若所指行动须经过努力或会遇到困难，则通例不说 could 而改说 managed to, succeeded in -ing.例：I could do it＝I was able to do it. He could reach the top of the mountain. ＝He managed to reach [succeeded in reaching] the top of the mountain.
2.〔用于假设语气的条件句〕 if I could 〔现在〕假定可能的话(但事实上不可能)。 if I could have done so 〔过去〕假定做到了(但事实上没有做到)。
3.〔用于虚拟语气的结论句〕 I could if I would. 〔现在〕假定我要做就可以做到〔但事实上不打算做〕。I could have done it. 〔过去〕假定我本来是可以做到的〔但未做〕。

• could be:    可能是吧; 可能是的吧
• could it be:    可能吗; 是否可能
• and this place could be:    这个地方会比明天更灿烂。

例句与用法

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1. His subtlety could not avail him here .
   他精明机智在这里无济于事了。
2. I could hear them crying out to one another .
   我听得见他们相互呼应。
3. He was so pressing i could n't refuse .
   他这样坚持，我实在难以拒绝。
4. He could feel the menace of the spreading .
   他能感到这种膨胀的威胁。
5. You could at least have sent a card .
   你本来至少可以寄张明信片来吧。