
Xem thêm: mutter, murmur, murmuring, murmuration, mussitation, grumble, grumbling, murmur, murmuring, mutter, muttering, murmur, murmuring, murmuration, mussitation, grumble, grumbling, murmur, murmuring, muttering, mumble, maunder, mussitate, murmur, grumble, croak, gnarl
n.
n.