- 咕哝 gūnong grumbleto complain or express dissatisfaction in a low voice
- 嘟哝 dūnong mutterto speak in a low, indistinct way, often to express dissatisfaction or to talk to oneself
- 嘟嘟哝哝 dūdūnóngnóng mutterto mumble in whispers or mutter to oneself
Sources
- Frequency data
- MTSU Chinese text computingSUBTLEX-CH