mumblingly是什么意思

n.作 mumble 之状地

1. He responded mumblingly, making it difficult for us to understand what he was saying.
他含糊地回答，让我们很难理解他说了什么。

2. The old man grumbled mumblingly to himself as he walked down the street.
老人含糊地嘟囔着，一边走过街道。

含糊地；嘟囔地