faintest

I haven't the faintest what it means.

我完全不懂这是什么意思。

I haven't the faintest notion what you're talking about.

我对于你所讲的话点儿也不懂。

he perceived the faintest of flushes creeping up her neck.

他察觉到她的脖子上冒出了丝红晕。

I stood, straining eyes and ears for the faintest stir.

我站着，睁大眼睛，竖起耳朵，捕捉最细微的响动。

I haven’t got the faintest idea what to buy Roger for his birthday.

给罗杰买什么日礼物呢，我点儿主意都没有。