mumble
🇺🇸
/ˈmʌmbl/
🇬🇧
/ˈmʌmbl/
to speak quietly and unclearly
He tends to mumble when he is nervous, making it hard to understand him.
他緊張時說話總是含糊不清,讓人難以理解。
quiet, unclear speech
Her mumble was so soft that no one could catch what she said.
她的喃喃自語太輕了,沒人能聽清她說了什麼。