1、所以的英语：therefore，英 [ˈðeəfɔː(r)] 美 [ˈðerfɔːr]。

2、他沉默不语了，所以我知道他很烦恼。He went very quiet so I knew he was upset.

3、埃德去不了，所以他们就派我去了。Ed couldnt make it so they sent me instead.

4、他有一些政界关系，所以自认为谁也管不了他。Given his political connections, he thought he was untouchable.