He spoke perfect English.

他讲一口纯正的英语。

Nobody is perfect.

人无完人。

The pool area is perfect for entertaining.

游泳池一带最适合娱乐。

Use only clean, Grade A, perfect eggs.

只用表面干净完好的A级鸡蛋。

She was a perfect fool.

她是个十足的傻瓜。

Some people are always coming up to perfect strangers and asking them what they do.

有些人总是走近完全不认识的人跟前，问人家是干什么的。

We perfected a hand-signal system so that he could keep me informed of hazards.

我们完善了一套手势信号体系，这样有危险时他就可以告知我了。

I removed the fibroid tumours, using the techniques that I have perfected.

我用我完善过的技术切除了这些纤维瘤。