alone [əˈləʊn]

以下由轻松背单词网站提供

adj.单独的，孤独的；adv.单独地，独自地；仅仅

without other people

He often makes a round trip to the hospital alone. 他经常一个人往返医院。
It is dangerous for a girl to go out alone at night. 一个女孩夜里单独外出是危险的。