He is paid to grumble all day long.

他是被雇来整天嘟囔的。

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"You have to grumble in life, otherwise you get trampled on," was the main reason given by almost one in six people in the land of liberty and equality.

在这个自由平等的国度里，近六分之一的人给出的主要理由是：“在生活中你必须抱怨，否则你会被踩在脚下。”

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Opposition members seized on the opportunity to grumble about mounting public debt.

反对派议员抓住这个机会，猛烈抨击不断增长的国家债务。

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When Apple co-founder Steve Jobs rejoined the company, in 1997, Apple users were the ones with reason to grumble.

FORBES: Leopard On The Prowl

Internally, a few people have been heard to grumble that the company might just be a bit too big.

FORBES: Magazine Article

Cause to grumble, but the fault of a political deadline rather than e-booking.

ECONOMIST: Disaffected doctors