bumble GREGMAT

1.I could hear my father bumbling about downstairs.

我听见父亲在楼下跌跌撞撞地走着。

2.He kept bumbling on about something.

他结结巴巴地停。

3.I don’t know what he has done, he just bumbles through life.

我知道他做了些什么事，他简直是在混日子。

4."The old lady kept bumbling on about something, but nobody could understand her."

"老太太结结巴巴地停,可谁也明白她些什么。"

5.He bumbled through his speech.

他结结巴巴地讲完了他的演。