From his words and behaviour I know that he is a know-it-all fellow.

I know it all the time.

我始终知道这事.

You're not young enough to know it all.

想要知道所有,你已经过了这个年龄了.

Look, I know it all gonna be fun and games.

听着, 我知道当国王不会像玩游戏一样有趣.

I know it all along.

从头至尾我都知道.

Look that know-it-all fellow is talking big again.

瞧,那个 自以为是 的家伙又在吹牛了.

Don't be such a know it all. You also make mistakes sometimes.

别装得像个什么都懂的人, 你有时候也会做错事.

We don't like his know-it-all attitude.

我们不喜欢他那种自以为什么都行的态度.

Susan is always correcting other people. She thinks she's a know-it-all .

苏珊总是在纠正别人, 她觉得自己是个 万事通.

When three know it, all know it.

三人知, 天下晓.

This might seem very perplexing to those who know nothing about it.

这对那些对它一无所知的人来说可能显得很难理解.

I know nothing of it beyond what he told me.

除了他告诉我的以外,别的我什么都不知道.

We know nothing of his past.

我们一点也不知道他已往的历史.

He pretends to know nothing about it.

他假装不知道那件事.

I know nothing about pop music.

我对流行音乐一无所知。

I know nothing whatever about it.

关于这件事我什么也不知道.

I know nothing about it just now.

目前我什么也不知道.

I know nothing of legal affairs.

我对法律方面的事情一无所知.

I know nothing about the accident.

对那次事故我什么也不知道.

The gap between the now knowable and unknowable is vast.

现已知与未知之事间的距离极大.

By above knowable, grow factor is generation of cell of human body oneself.

由以上可知, 生长因子是人体自身细胞产生的.