Put your phone away while you are walking so that you can keep your head up see what's going on around.

走路的时候把手机收起来，这样你就可以抬头看看周围发生了什么。

youdao

Keep your head and hands inside the car.

不要把头和手伸出窗外。

youdao

You can also open the window, keep your head outside to get fresh air and shout for help.

你也可以打开窗户，把头伸出窗外呼吸新鲜空气并呼救。

youdao

To keep your head above water is a colorful expression that means staying out of debt.

VOA: special.2009.05.10

and maybe, you know, somewhat into the future, but just always keep your head up

也许想想未来，但是总是昂起头。

不要放弃 - SpeakingMax英语口语达人

Just another reason to keep your head held high (and to fuel that inner glow).

FORBES: This Is What 57 Looks Like: Beauty, Power And Happiness At Middle Age

If you are in a situation that is really not working, keep your head up and look for something new.

FORBES: 10 Things I've Learned From Workplace Politics

The only thing you can do is keep your head down and keep going, and that's what I've told Zack.

WSJ: Mets' Wheeler like to start season at Triple-A