Do tell! 是什么意思？
我理解的意思是”一定要告诉我“可是后来查的意思好像和我的有所偏颇。。所以很糊涂。。。
Does it mean" be sure to tell me" or something?Please take a few examples for me .. Thank you very much!

Question

Do tell! 是什么意思？
我理解的意思是”一定要告诉我“可是后来查的意思好像和我的有所偏颇。。 所以很糊涂。。。 
Does it mean" be sure to tell me" or something?Please take a few examples for me .. Thank you very much!

Answer

Hi Bean
It's slightly old fashioned and means something like 'please tell me right now', or 'come on, spill the beans!'
example - 
"I have a little secret, would you like to hear it?"
"Oh yes, yes, do tell!"
In speech it is usually said in a slightly excited way, or even with a conspiratorial tone.

Answer

I think it means: It's hard to believe! /I can't believe it! (...what you tell me.)