exactly

副词 exactly:

1. indicating exactness or preciseness
   同义词：precisely, just
2. just as it should be
   同义词：precisely, on the nose, on the dot, on the button
3. in a precise manner
   同义词：precisely, incisively

1. The train arrived at exactly 8 o'clock.
   火车八点钟准时到达。
2. Their answers are exactly the same.
   他们的回答完全一样。
3. Tell me exactly where he is.
   确切地告诉我他在什么地方。

ex.act.ly

adv.（副词）
In an exact manner; accurately.
精确地，确切地：以精确的方式；准确地
In all respects; just:
完全地；全然：
例句：
Do exactly as you please.
完全照你的意思去做吧

As you say. Used to indicate agreement.
正，恰恰：正如你所言。用来表示赞同