John is the only boy in his family.

约翰是家里惟一的男孩。

youdao

David, on the other hand, as the only boy in the faculty, tended to be extreme in his designs.

另一方面，大卫作为系里唯一的男孩，设计的作品往往会走极端。

youdao

Or maybe you're sick of being the tallest girl in your class or the only boy who has to shave.

或者也许你是作为你们班上最高的女孩生病的，又或者你是你们班上唯一一个要剃胡须的。

youdao

When the boy was only a few weeks old, he weighed more than 45 kilograms.

VOA: special.2009.01.24

She sat only in the boy's room.

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The only boy in a family of daughters, he was precocious and had charm to spare.

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Joe was the only boy who could smack the ball over the bridge.

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He was the only boy to carry a briefcase to school in the eighth grade, and in high school he joined the debate team.

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