She needs some help. 她需要一些帮助.
We need some pens. 我们需要一些笔. My tired mother needs some sleep. 我那疲惫的母亲需要一些睡眠. Unfortunately,none of her friends can help her. 不幸的是,她的朋友没有一个能帮助她. Unfortunately,none of his classmates can go. 不幸的是,他的同学没有一个能去. Unfortunately,none of my coworkers can come. 不幸的是,我的同事没有一个能来.