bumble GREGMAT

1.I could hear my father bumbling about downstairs.

我听见父亲在楼下跌跌撞撞走着。

2.He kept bumbling on about something.

他结结巴巴说个不停。

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

我不知道他做了些，他简直是在混日子。

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

"老太太结结巴巴说个不停,可谁也不明白她说些。"

5.He bumbled through his speech.

他结结巴巴讲完了他的演说。