"mumbles" in Chinese (Simplified)
嘟囔嘀咕
Definition
用很轻、含糊或低沉的声音说话，让人难以听清楚。
Usage Notes (Chinese (Simplified))
通常为非正式用语，经常形容人因紧张、害羞或不想让别人听清时低声含糊地说话。常见搭配有 “mumbles something” 或 “mumbles under her breath”。与 'mutters'（带有抱怨或烦躁语气）易混淆。
Examples
He mumbles when he is nervous.
他紧张时会**嘟囔**。
She always mumbles her answer in class.
她上课时总是**嘟囔**回答。
I can't understand him when he mumbles.
他在**嘟囔**时我听不懂。
He mumbles something under his breath and walks away.
他**嘀咕**了几句就走了。
Stop mumbling and speak up!
别再**嘟囔**了，大声说吧！
The actor mumbles his lines, so it's hard to follow the movie.
演员**嘟囔**台词，让电影很难看懂。