There is nothing so fearful as to be alone in a combat situation.

没有比独自一人处于战斗环境中更可怕的事了。

《柯林斯英汉双解大词典》

You don't have to be alone in this.

你不必认为只有你一个人这样做。

youdao

Men, when they come back home, tend to be alone in a room.

男性回到家后，倾向于独自待在一个房间。

youdao

She was in no condition to be left alone while he went to find help.

VOA: special.2009.10.31

Why do people become firemen, policemen, soldiers, freedom fighters, all activities that cannot be explained in terms of self-interest alone?

不可能只用拿工资的理由，就能完全解释为什么总有人愿意做,消防员，警察，军人和争取自由的斗士？

耶鲁公开课 - 政治哲学导论课程节选

When people say everyone dies alone, they don't mean to be saying you die, but not in the presence of others.

当人们说大家都孤独而死，他们不是说你死亡的时候，身边没有他人。

耶鲁公开课 - 死亡课程节选

And given the recent population growth announcements, one company cannot be alone in redressing this imbalance.

FORBES: Africa's Most Outstanding Companies: Notore Chemical Industries

The U.S. men won't be alone in trying to stand atop the Olympic podium this weekend.

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But he will not be alone in suggesting that India has been measured against unreasonably high benchmarks.

ECONOMIST: Why Delhi��s Commonwealth games fiasco is not all bad news