He had been very annoyed at being left behind.

他一直对被落在后面，很生气。

youdao

youdao

He was unhappy at being left out of the team.

他对未能入选该队感到不高兴。

《牛津词典》

Koskoosh was being left to die.

VOA: special.2010.02.27

In India this is across regions some regions are being left behind others are moving ahead.

在印度，地区之间也存在这个问题,有些地区很落后,有些地区经济却很发达。

普林斯顿公开课 - 国际座谈会课程节选

You feel like someone's being left out.

你感觉有谁被落下了。

Is there any 课堂 - SpeakingMax英语口语达人

He told BBC Wales that the Sherman was being left in an improved financial position.

BBC: Sherman Cymru facelift was ?800,000 over budget

That is because the costs of being left out are not huge on the Internet.

ECONOMIST: Do they have anything in common?

Despite being left on crutches, he flew the Channel and proved all the sceptics wrong.

BBC: News | Europe | Flight re-enactment fails to reach beach