The poor old fellow has lost his reason.

这可怜的老头发疯了。

youdao

That is the reason why he lost his job.

这就是他为什么失去工作的原因。

youdao

His power, in fact, is one major reason why Tottenham was destroyed and why the Arsenal back four lost the plot before he got that injury in the 8-2 win—and remember it was he who got the opener.

他在曼联战胜热刺一役中起了重要作用，而在8-2狂屠阿森纳的比赛中，又是他把阿森纳的后防搅得一刻不得安宁并首开记录，不过正是在那场比赛中，他受伤离场。

youdao

"North Korea fed its version of the story to the people, saying the reason Kim looks this way is not because he's lost his health, but because he works day and night for the people, visiting work sites and so on,"

VOA: standard.2009.12.30

Businesses and banks, by contrast, like his work, one reason, perhaps, that Mr Stella lost his reputation as the very glass of cool, and came to be seen by many as a safe taste.

ECONOMIST: Modern American painters

You're the reason a factory worker in Toledo who lost his job is back on the line building some of the best cars in the world.

WHITEHOUSE: The White House

When a close friend who had lost loved ones to cancer visited Ivan after his initial diagnosis, it was Ivan who apologised for being the reason for the hospital visit.

BBC: NEWS | UK | Ivan Noble: An appreciation