adverb, adverb taking the 'to' particle, noun or participle which takes 'suru'
snoring sound; zzz
Mimics the sound of snoring. Often used with 寝る or いびき.
父はグーグーいびきをかいている。
My father is snoring loudly.
隣の部屋からグーグーという音が聞こえる。
I can hear a snoring sound from the next room.
adverb, adverb taking the 'to' particle, noun or participle which takes 'suru'
Describes a low, continuous rumbling sound, such as a stomach growling or an animal's growl.
お腹がグーグー鳴っている。
My stomach is growling.
犬がグーグーうなっている。
The dog is growling.