嘟嘟哝哝 (嘟嘟噥噥) dū dū nóng nóng

dū dū nóng nóng set phrase to mumble in whispers; to mutter to oneself
Domain: Modern Chinese 现代汉语 , Subdomain: , Concept:
Notes: (CC-CEDICT '嘟嘟噥噥')