He is very careful.他很细心。

注意：enough用作程度副词时，要放在所修饰的形容词、副词之后。

This house isn't big enough for us.

这房子对我们来说不够大。

(3)副词修饰名词时，一般放在该名词之后；修饰介词时，一般放在该介词之前。

The person there is looking for you.

那儿的那个人在找你。

There's the house，right in front of you.

房子在那里，就在你面前。

(4)修饰全句的副词多置于句首；表示否定的副词，如seldom，never，rarely等置于句首时，句子要倒装。

Fortunately，he was not drowned and was saved by a PLA man.

很幸运，他没被淹死，被一名解放军救了。

Seldom has there been a happy meeting.

过去很少有过这样愉快的会议。

注意：(1)有些副词有两种形式，一个与形容词同形，表示具体意义；一个以­ly结尾，表示抽象或引申含义。

①close与closely

close近；closely仔细地。

He is sitting close to me.他就坐在我边上。

He is looking at the bill closely.

他正仔细地看账单。

②late与lately

late晚；lately最近。

You have come too late.你来得太晚了。

What have you been doing lately？近来好吗？