What's he burbling about?
他在嘟囔些啥？
《牛津高阶英汉双解词典》
Misty mountains, burbling brooks, pecking chickens and scampering dogs.
山色空朦,溪水潺潺, 鸡儿啄食,狗儿撒欢.
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The pigeons kept on burbling softly.
鸽子继续咕咕软语.
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What's he burbling about?
他在胡扯些什么呀?
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What's he burbling ( on ) about ?
他在胡扯些什 麽 呀?
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A spring bubbling and burbling along , ho , a stream gurgling and murmuring down.
泉响潺潺而泠泠兮溪流汩汩而淙淙 ﹒.
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"a novel told in burbly panting tones"