Some folks think I'm a grumpy old man.

一些人认为我是个脾气很坏的老头儿。

《柯林斯英汉双解大词典》

"When a man becomes grumpy or irritable, it's easy to blame work or simply the effects of aging," says Petty.

佩蒂说：“当男人变得暴躁或易怒时，我们往往把原因归咎于工作或仅仅是年龄大了。”

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Still, no one wants to stop trying—and I say this as a grumpy 75- or 80-year-old man.

然而没有人想停止尝试，我以一个75或者80岁脾气暴躁的老人的身份说。

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As he got older he seemed to relish his new persona as a grumpy old man, particularly when it came to comedy.

BBC: Obituary: Richard Briers

Even the Father of the House, and renowned grumpy old man, Sir Edward Heath offered a glowing tribute to the former Tiller girl who started work in the Commons as an MP's secretary.

BBC: Speaker goes out on a high note

Not so the pathologically honest man who might be grumpy, but is more than willing to risk ruffling your feathers by giving you what he feels is honest feedback.

FORBES: Hypocrisy: Prejudice With A Halo.*