It's astonishing to look back on the world I left behind.

——会都看看自己遗弃的世界是件很令人吃惊的事情。

youdao

I'm writing to inquire about a bag that I left behind in a room at your hotel.

我写信的目的是想打听一下我遗忘在贵宾馆房间里的一个包的事宜。

youdao

She left, but I remained behind.

她走了，而我留了下来。

《牛津词典》

I walked out of the building, climbed into the back of the truck again and left the town behind.

VOA: special.2010.01.30

And I don't think that we will be completely satisfied when we do leave with what we left behind That's it for today.

我认为我们不会非常满意,当我们走时，看到我们所留下的问题,今天的节目就到此结束了。

普林斯顿公开课 - 国际座谈会课程节选

The next afternoon two of the children showed up at my hotel to give me some papers I had left behind in taxi.

FORBES: A Week in Brazil, Pt. 5: Gamboa

And when the punk movement hit, I left him behind.

NPR: Radiohead Delivers Album of the Year

Now, I rudely left behind your question.

WHITEHOUSE: Press Briefing