Advance ㅌ grumble in Korean: 투덜거리다’s meaning and pronunciation grumble in Korean is 투덜거리다. For examples, you can use like [불만을 투덜거리다, 불평을 투덜거리다]. In this post you will learn how to pronounce and use grumble in Korean along with examples. 2022.12.21 Advance ㅌAdvanced WordsWordsㅌ