mumble

verb
1
to speak or say something in a quiet voice in a way that is not clear
من من کردن, زمزمه کردن, با صدای مبهم صحبت کردن
synonym mutter
noun
1
speech or words that are spoken in a quiet voice in a way that is not clear
من من کردن, به آرامی و نامفهوم گفتن