讲解文本：

keep your chin up 别灰心，别气馁，保持斗志

You'll have a better day tomorrow. Just keep your chin up.

明天你会好起来的，别灰心!

I know this is hard for you, but try to keep your chin up.

我知道这对你一定是有困难，但别灰心!

疯狂练习吧!