结结巴巴地

He kept bumbling on about something.

他结结巴巴地说个停。

I stammered out my history.

我结结巴巴地讲述了我的过去。

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

"老太太结结巴巴地说个停,可谁也明白她说些什么。"

He bumbled through his speech.

他结结巴巴地讲完了他的演说。