verb intransitiu persona to murmur , whisper to mutter d’aigua to murmur , ripple de fulles, vent, etc to rustle d’abelles, multitud to hum figuradament to gossip de about to criticize also criticise UK , grumble de about , mutter de about sempre estan murmurant del mestre they’re always grumbling about the teacher , they’re always criticizing the teacher