视频文本如下：

Welcome to English in a Minute, where we teach you all about idioms in American English.

If you have ever heard of American English before, you may have heard this: Keep your chin up.

What does this mean? Let's find out by listening to an American English conversation.

A: I don't konw if I can take it anymore. First my car broke down. Then I was late for work. And now my boss is mad at me for being late.
B: You'll have a better day tomorrow. Just keep your chin up.

"Keep your chin up" means to keep your spirits high, and remain cheerful in a difficult situation.

Keep your chin up.

This is an informal expression that can be used in any situation and everybody in America will understand you.

And that's English in a Minute.