https://online2.tingclass.net/lesson/shi0529/0009/9215/h/11.mp3
https://image.tingclass.net/statics/js/2012
H-11:have a finger in the pie 通曉一切
A:Where can I get the information, Kate?
A:凱特,我從哪兒能得到信息?
B:Ask John. He's sure to know about it.
B:問約翰吧。他一定知道。
A:Why?
A:為什么?
B:He has a finger in the pie.
B:他這人無所不知。