никому не сказал

didn't tell anyone

→ никто
phrase Rare #32,384
didn't tell anyone Used with a masculine subject; никому means “to anyone” in this negative construction.
RU: Он никому не сказал о сюрпризе.
EN: He didn't tell anyone about the surprise.

Он никому не сказал, кто он.

He didn't tell anyone who he was.

Я никому не сказал, даже Тому.

I didn't tell anyone, not even Tom.

Ты правильно сделал, что никому не сказал.

You did the right thing by not telling anyone.

Я никому не сказал.

I didn't tell anyone.

Он никому не сказал.

He didn't tell anyone.

Ты ведь никому не сказал?

You didn’t tell anyone, did you?

Том ведь больше никому не сказал?

Tom didn't tell anyone else, did he?