perfect的副词

是perfectly:

adv. 完美地完全地无瑕疵地

Their needs fit perfectly.

他们的需求完美契合。What I did was perfectly legal.

我做的事情完全合法。

That's a perfectly legitimate fear.

那是种完全合乎逻辑的恐惧。

I knew perfectly well what she meant.

我完全懂她的意思。

You know perfectly well what happened.

你完全清楚发生了什么。

It's perfectly normal to feel like this.

有这样的感觉是完全正常的。