Aún no tenemos significados para "make a grumbling".
1I gripped the sheep's wool more tightly, and the animal made a grumbling sound.
2The captain made a grumbling noise, but he didn't put much weight behind it.
3The sorceress made a grumbling sound and then she did stretch out her hands.
4She made a grumbling noise and then was still.
5Frank made a grumbling noise.
6He made a grumbling sound, but pushed the warm pillow toward her and tucked the other pillow under his head.
7Storm made a grumbling noise that sounded like "wuueeaaaiii," but it went up in pitch slightly at the end.
8Winston dug around in the top shelf of a cupboard, making a grumbling muttering sound under his breath he didn't seem aware of.