/nʌn; nʌn/
indef pron
1 (a) ~ (of sb/sth) (referring back to a plural n or pron 用以复指前文的复数名词或代词) not one; not any 一个也没有; 毫无
*We had three cats once none (of them) is/are alive now. 我们曾有三只猫--现在一个活的也没有了.
(b) ~ of sb/sth (referring forward to a plural n or pron 用以预指後文的复数名词或代词) not one; not any 一个也没有; 毫无
*None of the guests wants/want to stay. 客人中没有一个想留下不走的. (Cf 参看 They none of them want to stay.)
* None of them has/have come back yet 他们谁也没回来.
2 (a) ~ (of sb/sth) (referring back to a [U] n or pron 用以复指前文的不可数名词或代词) not any 毫无
*I wanted some string but there was none in the house. 我需要一些绳子, 但家里一根也没有.
* `Is there any bread left?' `No, none at all.' ｀还有面包吗?＇｀一点儿也没有了.＇
(b) ~ of sb/sth (referring forward to a [U] n or pron 用以预指後文的不可数名词或代词) not any 毫无
*None of this money is mine. 这笔钱没有一点是我的.
* I want none of your cheek! ie Stop being cheeky! 别那么厚脸皮!
* I'll have none of (ie I do not wish to take part in) your wild ideas. 我可不想参与你那异想天开的计画.
3 (fml 文) (with comparatives and than 与比较级和than连用) nobody 无人; 没有一个人
*He is aware, none better than he, that... 谁也没有他更清楚地知道...
* The choir sang sweetly, and none more so than the Welsh boy. 唱诗班唱得很悦耳, 尤其是没人比得上那个威尔士男孩儿.
4 (idm 习语) `none but only 仅; 只
*None but the best is good enough for my child. 只有最好的才配得上我的孩子.
* (saying 谚) None but the brave deserves the fair. 只有勇士才配得到美人. none `other than (used for emphasis 用以加强语气)
*The new arrival was none other than the President. 刚到达的不是别人, 正是总统.

adv
1 (used with the and a comparative 与the和比较级连用) not at all 毫不; 毫无
*After hearing her talk on computers I'm afraid I'm none the wiser. 我听了她关于计算机的讲话之後似乎毫无收获.
* He's none the worse for falling into the river. 他跌进河里但什么事也没有.
2 (used with too and adjs or advs 与too和形容词或副词连用) not very 不很; 不太
*The salary they pay me is none too high. 他们付给我的薪水不太高.