我自己来去通风报信啦
“I came all the way here to warn you”
THE DIALOGUE REEL
我是脑子坏掉了啦
“I must be out of my mind.”
我自己来 去 通风报信 啦
“I came all the way here to warn you”
我哦
“myself.”
“Are you insane? There is no way I would ever do something so stupid as snitching on myself.”
In Chinese conflict discourse, speakers frequently use extreme hypothetical self-incrimination ('Would I do that unless I were crazy?') to dramatically prove their innocence.
LEARNING CHUNKS & PARTICLES
to tip someone off / to leak secret information
A set idiomatic phrase usually carrying a negative connotation of betraying a secret to an adversary.
Adds an emphatic, exasperated emotional coloring to the spoken claim.