When his classmates lined up to enter the movie theater, the boy stood alone outside.

当同学们排队进入电影院时，男孩独自站在外面。

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So brave was the little boy that he dared go into the deep cave alone without any help.

这个小男孩是那么勇敢，他敢在没有任何帮助的情况下一个人走进深洞。

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After they were seated, the mother saw a friend and walked up to greet her, leaving the boy alone in his seat.

他们坐好后，母亲看到了一个朋友，就走过去打招呼，把小男孩一个人留在了座位上。

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It's his absence that leaves the boy alone to his own devices.

正是他的缺席让这个孩子一个人,玩自己的玩具。

耶鲁公开课 - 现代诗歌课程节选

In the earlier months of this stalemate, Blondy had spotted Zwelish with or without his new family four or five times, then Doris alone with the boy in a stroller two or three others.

NEWYORKER: Lucky Alan

One boy sat alone on a linoleum floor with nothing to do.

FORBES: Magazine Article

One boy, standing alone in the corner, was silently watching the parents' power play.

NPR: 'A Tale of Music': From 'Literature from the Axis of Evil'