;I don’t know what he has done, he just bumbles through life.
我不知道他做了些什么事，他简直是在混日子。
拙地进行；踉跄
手脚地做；搞坏；弄糟手脚地走动；(在…)跌跌撞撞I don’t know what he has done, he just bumbles through life.
我不知道他做了些什么事，他简直是在混日子。
I could hear my father bumbling about downstairs.
我
亲在楼下跌跌撞撞地走着。
"The old lady kept bumbling on about something, but nobody could understand her."
"老太太结结巴巴地说个不停,可谁也不明白她说些什么。"
He kept bumbling on about something.
他结结巴巴地说个不停。
He bumbled through his speech.
他结结巴巴地讲完了他的演说。
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