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》

As Begley says, partnering up is better than being left out.

就像贝格丽提到的，合作总比被晾在一边要好。

youdao

If you find yourself being left out, organize your own events, says Ms. Dunkel.

邓克尔说，如果你发现自己被忽略了，你可以自己组织这类活动。

youdao

People had great fear of being left out of the real estate market.

人们十分担忧,在这轮房地产浪潮中没能占到先机

耶鲁公开课 - 金融市场课程节选

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

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

ECONOMIST: Do they have anything in common?

We outsiders can read the signals, and we know when we are being left out.

FORBES: Leaders Pay a Price for Acting Too Smart

Cole had a point to prove after being left out of Capello's last four starting line-ups and immediately looked lively.

BBC: Andorra 0-2 England