at all

完全, 根本

例句与用法：

It's not at all that bad.

这根本没有那么坏。

Whatever is worth doing at all is worth doing well.

任何值得做的事就值得做好。

I'm not at all sure, actually.

实际上我根本不能肯定。

You might as well not know a thing at all as know it only a little.

只知道一点点，不如完全不晓得。

As a matter of fact, I didn't know him at all.

事实上，我根本不认识他。

He is not at all alive to the danger he is in.

他完全没有意识到他处境的危险。

It doesn't matter at all.

这根本没什么关系。

I don't think that's a bad idea at all.

我看这完全不是个坏主意。

详细释义：

1. (否定句)丝毫; 根本

I don't like her at all.

我一点都不喜欢她。

2. (问句、条件句及肯定句内表示强调)究竟

He'll come before 12 if he comes at all.

如果他真的要来的话, 肯定在十二点以前。

Is it at all possible that he alone can drink ten bottles of beer?

难道他真的能独个儿喝十瓶啤酒吗?