んな

adj

(in context of "[something] like that [is not possible]") no (way), impossible, it can't be, I don't believe it

んなに美味しい料理は初めてだ。

This is the first time I've had such delicious food.

意味（1）

(in context of [something] like that [is not possible]) no (way), impossible, it can't be, I don't believe it

んなことあるか。

Nna koto aru ka.Nonsense.