It's paid off! It has paid off!

成功了！没！

I see I am speaking in vain to a hardened heart.

我明了。对你这一副铁石心肠讲也是。

Now, you're just preaching to the choir.

现，你只是唇舌。

My work has not been in vain!

我的工作没有！

We say, " Don't beat a dead horse! "

“别力气了！”

Crookshanks gave him up as a bad job and slunk away under Hermione's chair.

克鲁克山觉得自己是力气，就离开利溜到了赫敏的椅子底下。

No... I'm fairly certain someone is trying to send us on a wild goose chase.

不是他，我很肯定有人想让我们力气。

A half century later, it`s clear Dr. King`s work was not in vain.

半个，金博士的工作明显没有。

They don't want to find out that all of their hard work was for nothing.

他们不想最才发现自己所有的努力都了。

His hard work paid off at last.

他的努力最终没有。

That can lead to a lot of wasted effort.

这可能会导致大量的努力。

All your hard work paid off, right?

你的努力没有，对吧？

All our efforts were in vain! The Chimney Sweeper grumbled to himself.

我们之前所有的努力都了！扫烟囱的孩子自己抱怨道。

In the end they get you, and you are helpless in their hands.

“最他们还是要把你抓住，你怎么挣扎也力气。

But the loss of his labour produced little effect upon the reddleman.

红土贩子了气力，但这并没有对他产生什么影响。

I believe in the wasted years of work.

我相信掉的多年苦工。

You may be happy to know that your research will pay off.

告诉你们一个好消息， 你们的努力没有。

There's no need to reinvent the wheel.

没有必要力气做重复工作。

I already know all this! Now, you're just preaching to the choir.

这些我都知道！现，你只是" 口舌" 。

I haven't eaten breakfast -- and -- and for nothing.

我连早餐都没吃 结果了。