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

Stand up straight, keep your head up, and make eye contact.

挺直腰杆，抬起头，与他人进行眼神的接触。

youdao

The cost of living is now so high that you need to earn a good income just to keep your head above water.

生活费用现在是如此之高，必须要有很好的收入才得以维持生活。

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).

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

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

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