exactly用作副词，表示精确地、确切地、(要求得到更多信息)究竟，(答语，表示赞同或强调正确)一点不错等含义。
1.精确地;确切地;正好
Each corner had a guard tower, each of which was exactly ten meters in height.
每个角落都有一座警戒塔，每座警戒塔正好10米高。
2.确实如此/并非如此;正是/不完全是
Eve nodded, almost approvingly. 'Exactly.'
伊芙几乎赞同地点了点头。“确实如此。”
3.不完全是;不完全对
He's not exactly homeless, he just hangs out in this park.
确切来说他并不算是无家可归，他只是老在这个公园里转悠。
4.根本不；决不
This was not exactly what I wanted to hear.
这根本不是我想听到的。
5.（用于问句中，表示不赞成）到底，具体
Exactly what are you trying to tell me?
你到底想对我说什么？
