go no further
go no further
To not be shared with anyone else, as of a secret. Don't worry, your secret's safe with me—it will go no further.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
go no ˈfurther
,not go any ˈfurther
if you tell somebody that a secret will go no further, you promise not to tell it to anyone else: Can I have your assurance that this will go no further?Farlex Partner Idioms Dictionary © Farlex 2017