I am already quite an old bachelor.

我已经成了老光棍啦。

youdao

He is alone, an old bachelor, with nobody about him.

他很孤单，过着老单身汉的生活，没有人陪伴他。

youdao

Cultural attache Jerome spends his last holidays as a bachelor at Lake Annecy where he meets Aurora, an Italian writer and old friend.

文化参赞员杰洛米是一名单身汉，他之前在阿讷西湖边度假时认识了老朋友奥罗拉，她成了一名意大利作家。

youdao

Buy the usual button for a bachelor, thimble for an old maid, etc.

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