at no time

从不, 决不

例句与用法：

At no time in his life has he been braver than in that case.

他一生中从来没有像那一回那么勇敢。

At no time and under no circumstances will China be the first to use nuclear weapons.

中国在任何时候，在任何情况下，都不首先使用核武器。

At no time do the plain look so perfect as in early autumn.

草原看上去从没有象初秋时这么完美。

At no time has the country been more prosperous than at present.

我国任何时候都没有现在这样繁荣。

详细释义：

在任何时候都不; 决不

At no time should you give up studying.

在任何时候你都不应放弃读书。