His father was a hard man.

他父亲是个冷酷无情的人。

《柯林斯英汉双解大词典》

My father was a hard man.

我父亲是个不讲情面的人。

《牛津词典》

The trouble is that Mr Boehner is a hard man to demonise.

问题是，Boehner是一个强硬的人，很难去败坏他。

youdao

The muscular man is working hard to control a powerful drill that is cutting through the rock that surrounds him.

VOA: special.2009.03.23

He used to be a hard-working family man.

他曾经是个努力工作的好男人

耶鲁公开课 - 心理学导论课程节选

A young man who worked hard and learned new skills could rise quickly to better and better jobs.

VOA: special.2010.05.13

Mr Crosland, perhaps the finest mind to have sat on the Labour benches, is a hard man to emulate.

ECONOMIST: Bagehot

Emmanuel Besnier may be a hard man to track down in person, but his fortune is slightly easier to trace.

FORBES: Secretive Dairy Mogul, Dubbed Howard Hughes Of Cheese, Joins Rich List With $7 Billion Fortune

Mr Haradinaj had swapped his fatigues for smart suits and his reputation as a hard man for that of an able politician.

ECONOMIST: The Hague war-crimes tribunal