1.He always mumbles when he's embarrassed.

1.感到难为情时就含糊不。

2.He mumbled a few words and left.

2.哝几句便走。

3.He mumbled something to me which I did not quite catch.

3.对我叽几句, 可我没太听楚。

4.I wish you wouldn't mumble - I can't hear you clearly.

4.我希望你不要含含糊糊 - 我听不你在讲什么。

5.He mumbled sth. to me but I could not hear what he said.

5.对我哝几句，可是我没听的什么。

6.Mr. Bosher, with his mouthful of biscuit, mumbled that it was sweetly pretty.

6.伯希尔先生满嘴塞着饼干，叽叽地这真是美极。

7.George mumbled incoherently to himself.

7.乔治语无伦次地喃喃自语。

8.In March he goes on a survival course and learns about the “umbles”: as hypothermia sets in you mumble, fumble, grumble, stumble, then finally tumble.

8.三月，开始野外生存训练，懂得寒冷下嘴、脚是什么样：低温开始，哝，摸爬，嘟囔，踉跄，终于仆倒在地。