1. The teacher was mumbling and none of the students could understand. 老师咕噜咕噜地说，学生没人听懂在说什麽。
2. Sorry for the mumbling, you know my speech, especially on public record, seldom makes any sense at all. 胡乱说了一通，抱歉了。你也知道我留在公共空间的都是些无人能懂的天书了，哈哈！
3. Seconds later I heard her mumbling off the phone, and then I heard everyone in the office howling with laughter. 几秒钟后，我听到她拿开了话筒，在一旁嘀嘀咕咕的，接着办公室里的每个人都在狂笑。
英英解释
n.
1. indistinct enunciation
2. ineffectual chewing (as if without teeth)
网络释义
mumbling 喃喃;
嘟哝;
Stuttering mumbling 结结巴巴 含含糊糊;
Mumbling a Goodbye 嚷嚷着要分手;
Stuttering and mumbling 结结巴巴 含含糊糊;
Stuttering and mumbling for nightly news to replay 他结结巴巴喃喃自语的重复着夜间新闻;
不知所言却每夜重复播放着新闻;
