Detectives are so far at a loss to explain the reason for his death.

至今侦探仍茫然无法解释他的死因。

《牛津词典》

Comments can be used to explain the reason for items, to track changes, or to indicate section boundaries.

Comments可用于解释项目原由、跟踪变更或显示section边界。

youdao

Do you feel you were placed in a position compatible with your skills? If not , explain the reason please .

你认为你在公司的职位与你的能力相当吗?如果不是，请给出具体原因。

youdao

Mr Coppinger is required to explain the reason for the appointment which led to the police authority's chief executive Stuart Pudney's being replaced.

BBC: Barry Coppinger

How does one explain the reason for engaging in unauthorized discretion?

FORBES: Morgan Stanley Broker Cited For Discretion And Unsolicited Trades

But since earnings season has been over for some time now, again, this does little to explain the reason that stocks went on a tear last week.

FORBES: Gentle Ben Opens The Door For QE3