黑暗中我只看出了一个人的轮廓。

I could just make out a figure in the darkness.

《牛津词典》

一走进餐厅，我就看到他一个人坐在桌边，手里转动着一只没有点燃的香烟，好像在把玩一根小指挥棒。

As soon as I walked in the restaurant, I saw him sitting by himself at a table, twirling an unlit cigarette through his fingers like a miniature baton.

youdao

我希望我的妈妈只属于我一个人，这样我就可以享受到爱的甜蜜。

I hope my mom belongs only to me, so I can enjoy the sweetness of love.

youdao

Because it can't be right to kill five people when you can only kill one person instead.

我认为当可以只牺牲一个人时,牺牲五人不是正确之举。

耶鲁公开课 - 公正课程节选

It's not like the universe has singled me out for the deprivation of dying too soon.

宇宙没有只让我一个人,死得太早。

耶鲁公开课 - 死亡课程节选

For a driver, for instance, when I ask you to rank how good you are as a driver, what people often do is they think--they say, "I'm better than average," but what they do is they focus on one aspect of their driving.

例如，拿司机来说，当我叫人们给自己的开车技术打个分时，人们通常会认为，“我比一般人好”,但其实他们只看到了开车的一个方面。

耶鲁公开课 - 心理学导论课程节选