Hayate is forced into a situation his only viable option is to do something illegal, unethical, and unbecoming.  After being called a Mom like figure to Nagi, Maria goes to the source on information regarding Nagi’s father.
I can't afford to give her any openings.
No confío ni un poco en ti y
No me fío ni un pelo
Eu não confio nem 
um pouco nela.