Eng: Mumbled...

咕嚕說

Mumble, Mumbled, Mumbles, Mumbling

咕噥出

Mumbled, Muttered

(Mutter, Muttering, Mutters, To mutter)

低聲說道

Mumbled, Whispered

(Whisper, Whisper, Said)

含糊說話

Mumble, Mumbled

(Vague, Speak)