I managed to get my head down for an hour.

我将就着睡了一小时。

《牛津词典》

When I finished playing, I put my head down.

当我玩完后，我低下了头。

youdao

I began to feel unhappy as I walked alone with my head down.

我开始感到不愉快，我走我的头独自下跌。

youdao

So I put my head down and focused on operation technology, focused on the user's experience, and I delivered.

我选择脚踏实地工作，专注于公司的运营，专注于提升用户体验，这一切我都做到了。

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Well, I just put them down in the order that came out of my head.

好的，我把它们,按照从我脑袋出来的顺序写下来的。

麻省理工公开课 - 固态化学导论课程节选

My head gets cut in half down here and then you could see the brain.

我的头被切成了两半,一直切到这儿,这就是你们所就看到大脑示意图了

耶鲁公开课 - 心理学导论课程节选

Before that, it was basically me with my head down over in the product team.

WSJ: Can Tumblr Turn a Profit?

I'm going to get my head down and hopefully get my chance in the big games.

BBC: Saints sign promising fly-half Joe Ford from Leeds

Instead of walking in, I kept my head down and crept to the side window to get a glimpse of Dad.

NEWYORKER: Mr. Bones