perfect的`用法：
用作形容词(adj.)
用作定语：
～+n.
He is a perfect gentleman.
他是个十足的绅士。
The shoes are a perfect fit.
这双鞋穿着很合脚。
They have all been under perfect discipline他们都受过良好的训练。
Though he felt his anger mounting, he kept perfect control of himself.
他虽然觉得越来越生气,但还是很好地控制住自己。
