Esperanto-Englisch Übersetzung für grumbli

boomThunder boomed in the distance and lightning flashes lit up the horizon.The cannon boomed, recoiled, and spewed a heavy smoke cloud.Beneath the cliff, the sea was booming on the rocks.
grumble
us
That whiner is never without a grumble to share.The distant thunder grumbles.He grumbles about the food constantly, but has yet to learn to cook.

mutter
us
The prisoners were docile, and accepted their lot with barely a mutter.You could hear the students mutter as they were served sodden spaghetti, yet again, in the cafeteria.The beggar muttered words of thanks, as passersby dropped coins in his cup.