no one 意思是没有人(谁也不)
no one else 意思是除了...没有其它人了
no one ... except / outside ...也可以表示no one else的意思
如
No one knows outside two or three persons.
除两三个人外谁也不知道.
No one would help you except your best friends。
除了你最好的朋友没有人会帮你的。
No one else would help you but your best friends。
nobody, no one, nothing只能单独使用,后面不跟of短语。
他们当中没有人会讲日语。
误:Nobody of them can speak Japanese.
正:Nobody can speak Japanese.
正: None of them can speak Japanese.
(2) nobody, no one, nothing和none常用作简略答语,一般情况下,nothing回答what问句; nobody和no one回答who问句;none回答how many或how much问句。
①—Whats in the box ? 盒子里有什么?
— Nothing. 什么也没有。
②—Who is in the classroom? 谁在教室里?
—Nobody / No one. 没有人。
③—How many people are there in the park? 公园里有多少人?
—None.没有人。