so
副词 adv.
1.这么,那么;【口】多么,非常
I'm so pleased to see you.
看到你我真高兴。
2.就那样,像这样;如此
Hold the fork so.
要这样拿叉子。
3.(so后用倒装结构)也如此,也一样
I was tired, and so were the others.
我累了,其他人也一样。
I like dancing; so does my wife.
我喜欢跳舞,我太太也喜欢。
4.(so置于句首)确是如此,正是那样
5.因此,所以
He is sturdy and so fit for the job.
他很健壮,所以适合担任这个工作。
6.如此看来
So you'll quit school?
这么说你要退学了?
连接词 conj.
1.因此,所以
The manager was ill so I went in her place.
经理病了所以我代她去。
2.因而,从而
Mum told him to go to bed early so he could get up early the next morning.
妈妈叫他早点上床睡觉,第二天早上好早点起床。
感叹词 int.
1.(表示惊讶等)啊,哦
So! You've kept me in the dark all the time.
哦!原来你一直把我蒙在鼓里。
2.(表示同意等)好,行
参考资料：百度词典