mumbling
動詞
1.
ぶつぶつ言う
to speak quietly and in a way that is not clear so that the words are difficult to understand:
例:
•
She mumbled something about being too busy.
Lingolandでこの単語を学ぶ
ぶつぶつ言う
to speak quietly and in a way that is not clear so that the words are difficult to understand: