To murmur in a dream also means to follow innovations and to lock one’s destiny on the path of error.
Murmur Dream Meaning
(Grumble, Rumble) Murmuring or grumbling in a dream denotes the impeachment of the governor, recovering from an illness, ajourney for someone who loves to travel, losses for arguing people, or perhaps it could mean marriage and celebrations.
[1]Murmur Dream Interpretation
See “complain”
[2]