The lonely old man worked his life away like a work horse.

这个孤独的老人像牛马一样辛苦地干了一辈子,一直干到死.

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The horse is a war horse, it can't be used as a work horse.

这些马匹是用来打仗的, 不能随便役用.

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Can be a work horse, and maybe a good teacher and a flying person.

我的不是, 但我可以干活.每天飞一千里,可以,经常的.

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