vt. & vi. 含糊地说某事；叽咕；咕哝 speak or say unclearly and usually quietly,so that people cannot hear what is said
句型例句
用作不及物动词
▲S+～(+A)
He always mumbles when he's embarrassed.他感到难为情时说话就含糊不清了。
用作及物动词
▲S+～+n./pron. She mumbled an apology and left.她嘟嘟囔囔地道了歉就走了。
▲引出直接引语
“Sorry,” he mumbled.他含含糊糊地说：“对不起。”
