We'll call him Mr. X.

我们会称他为X先生。

youdao

The boss is conveying a negative impression of Mr. X without actually saying negative about him.

老板给 X 先生留下了不好的印象，却没有说他不好。

youdao

The boss is like implying that this is best that can be said about Mr. X that he is really not qualified.

他这样做的目的是想要说 X 先生根本不能胜任任何工作。

youdao

He still incurred -C because he ran and he also has a cost of |x-y| because he doesn't like Mr. Y winning.

他同样有-C的收益因为他参加了竞选,且他还有|x-y|的成本,因为他不喜欢Y先生获胜

耶鲁公开课 - 博弈论课程节选

The pieces are currently being examined and X-rayed at a laboratory and Mr Dean said they wouldn't be cleaned up for some time.

BBC: Staffordshire Hoard: 'Shedding light on the Dark Ages'

They will also demonstrate a device that uses an MR scanner along with X-rays to create better information for surgeons treating heart rhythm abnormalities.

BBC: NEWS | Health | A bike for the paralysed

After being readmitted on 17 February 2012, Mr Golby underwent a chest X-ray which solicitors said revealed the cancer on his lung had grown to five times its original size.

BBC: Coventry hospital pays over Frank Golby lung cancer death