No pain, no gain.

只有付出，才有收获！（不劳则无获！）

Don't worry, it's in the bag.

不用担心， 这事儿十拿九稳。

It's important for you to keep a cool head at this moment.

这时候保持头脑冷静是很重要的。

Everything will fall into place.

事情该怎样，就会怎样。

Do you follow me?

听懂我的意思没有？

Don't be too sure.

别那么肯定。