It happened—whether by accident or design —that the two of them were left alone after all the others had gone.

碰巧—不知是偶然还是有意安排—其他人走后，只剩下了他们两个人。

《牛津词典》

After he leaves, I am finally left alone with an iPad.

他离开之后，我终于得以同iPad单独呆上一回了。

youdao

youdao

Marley would attack the furniture,walls and doors until his feet bled if he was left alone in the house during a storm.

VOA: special.2009.02.23

So this is a little bit trickier to look at and see what it means, but essentially we have two hybrid orbitals, which are shown in blue here, and then we have one p orbital that's left alone that's going up and down on the page.

看这个图肯能会觉得比较诡异，但本质上，骂我们有两个杂化轨道，这里用蓝色表示，还有剩下一个p轨道,在图中上下方向上。

麻省理工公开课 - 化学原理课程节选

There are nine keys for my left thumb alone so I'm kind of switching between these on the back here and many others, and because of that I can go very high and I'll just demonstrate that.

我的左手拇指就要控制九个音键,通过按动后部,和其他地方的音键,我就能吹出很高的音,我现在就来演示

耶鲁公开课 - 聆听音乐课程节选

Left alone, over-regulation will only get worse, with the cost paid in slower economic growth.

FORBES: Reviving America's Economy: 3 Issues We Need To Address Now

Thereupon, he was left alone with his guitar to walk off into the sunset.

FORBES: It's a Long Way from Wrong to Right

In one episode, an embittered version of Amy is left alone for thirty-six more years.

NEWYORKER: Fantastic Voyage