Em? Are you gonna able to swim?艾米，你还能游泳吗

able to能做 ...

It is good to be able to cast aside winter clothes.

能把冬衣搁在一边了，真好。

As I had plenty of money I was able to help her.

我钱很宽裕，能帮助她。

What's keeping you from saying something?你到底为什么只字不提

keep from阻止, 妨碍

I hope you will keep from doing anything rash.

我希望你不要做出任何鲁莽的事情来。

I had bitten my lips to keep from laughter.

我只好咬着嘴唇忍住笑。

Leave Paige out of it. 别扯上佩奇

leave out省去； 不考虑； 遗漏

They must decide what to leave out.

他们必须决定省去什么。

We can leave out the second sentence.

我们可以省去第二句话。