恨不得的英文：
one would if one could
itch to

参考例句：

At that insolent and unfeeling remark,she felt like slapping his face.
听了那傲慢无情的话，她恨不得扇他耳光。

I burned to say if but one word, by way of triumph, and to render doubly sure their assurance of my guiltlessness
为了表示得意，我恨不得开口说话，哪怕说一句也好，这样就可以叫他们更加放心地相信我无罪了。

I would they were even cut off which trouble you.
恨不得那搅乱你们的人，把自己割绝了。

I could cheerfully strangle you for getting me into this mess!
你让我这样难堪，我恨不得掐死你！

Steve says that he was sorely tempted to ignore the fire
史蒂夫说，他真恨不得不去理会这场火灾。

I would like to claim credit for these pearls of wisdom.
恨不得上面这些睿智的话都出自我本人之口。

I have to sit for an exam next week: I shall be glad to get it over.
下星期我得参加一门考试；我恨不得早点把它考完。

He would have liked to massacre everyone of them for having been witness to the degrading broil.
这些人他恨不得统统杀死，因为他们看到了这场降低他身份的争吵。

one是什么意思：
num. 一；同一个、最重要的一个
det. 代替a或an，表示强调；某位（用于不太熟悉之人的姓名之前）
pron. 任何人；一个人；一个事物；其中的一个人

One, Taipei, one way.
台北单程票一张。

This one is not a spoof.
这个就不是开玩笑了。

One and one make(s) two.
一加一等于二。

would是什么意思：
v. 会；就会；以便；总是；就

This would be such a chink.
而这一结果很可能就是一个这样的裂缝。

There would come a day when the wheelchair would be gone and I would walk.
总有一天，会甩掉轮椅，自己走路。

You would expect that there would be / there to be strong disagreement about this.
你大概认为关于这事将有一场激烈的争论。

could是什么意思：
modal v. 能，可以，本来可以，可能，真想

This could be a millepore.
这可能是只千孔虫。

He could be big in no time.
用不了多久他就能成个大人物。

Could you move a fraction closer?
你能不能稍微再挪近点儿？