not to say anything
Don't you have anything to say?
You have nothing to say?
Wenn du nichts zu sagen hast, sag einfach nichts.
If you have nothing to say, just say nothing.
Ich bat Tom, Maria nichts zu sagen.
I asked Tom not to tell Maria anything.
Da er nichts zu sagen hatte, ging er.
Since he had nothing to say, he left.
You don't need to say anything.
Tom flehte Maria an, nichts zu sagen.
Tom begged Maria not to say anything.
Tom hatte zu dem Thema nichts zu sagen.
Tom had nothing to say on the subject.