She says if she doesn't catch up, she will be left out.

她说如果不追赶，就会被淘汰。

youdao

This paragraph can be left out.

这一段可以删去。

《新英汉大辞典》

This word is redundant, it can be left out.

这个字是多余的， 可以去掉。

《新英汉大辞典》

Critics of the IMF say, however that they fear the agency will only provide credit lines to medium-sized economies, while poor countries who need them most will be left out.

VOA: standard.2009.04.22

Poverty, of course, cannot be missed and be left out.

贫困，当然是不能忽视和回避的问题。

关于黑人文化 - SpeakingMax英语口语达人

The phrase to be left holding the bag is as widely used as the expression to let the cat out of the bag.

VOA: special.2009.01.25

But individual car owners may not be left out of the game for long.

FORBES: The Cash-Back Car: Monetizing Electric Vehicles

They would also be left out of the calculation to decide which side was the winner.

ECONOMIST: Italian politics

She added: "I acknowledge that small numbers of vulnerable people" may be left out by this policy.

BBC: Peer: Extend free HIV treatment