Antonia's father was a spare man of medium height, with yellowish face, thin, grey moustache, ironical eyebrows.

安东·妮亚的父亲是一个不高不矮的清瘦人物，黄黄的面孔，稀疏花白的唇髭，带着讥讽味儿的眉毛。

youdao

He is a tall, spare young man.

他是个清瘦的高个子青年。

《新英汉大辞典》

When I went into the trunk for the spare, it was flat too. A man in a BMW pulled over, gave me a ride, we chatted, and then he offered me a job. I start tomorrow.

就在这时，一个开着宝马的男人经过我身边，他载了我一程，我们在车上聊起来，再后来他竟然给了我一个工作，明天就开始。

youdao

She sauntered away and left me facing a spare man of ordinary height, whose reddish-fair hair was cut very short and glistened in the artificial light from the hallway.

NEWYORKER: Amundsen

Their three centre halves, sat deep, made it tough for Agbonlahor to break the back line, and they always had a spare man to either track the front-runner or follow Heskey when he dropped a little deeper.

BBC: Lee Dixon's tactical view

Julian was a thin man of sixty-three, balding, a typewriter repairman who worked out of his spare bedroom and kept to himself.

NEWYORKER: Idols