'I'll just have to do it myself,' he grumbled.

“我只好自己动手了。”他咕哝着说。

《牛津词典》

"If she had lived I believe I should not have been ill always," he grumbled.

“要是她活着，我相信我就不会一直生病了。”他埋怨道。

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When Pinocchio had had his fill, he grumbled, as he wiped his mouth, "My thirst is gone."

皮诺乔喝够了，擦了擦嘴，嘟囔着说：“我不渴了。”

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He grumbled, but eventually he accepted this new reality.

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After we landed, the farmer we met grumbled that he had to drill his well deeper each year so he could grow more rice in the dry lands.

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Mr Jobs grumbled that he had been forced to introduce FairPlay by the majors, which would not otherwise have sold their music through Apple's iTunes, the leading online music store.

ECONOMIST: Online music