"We are forming a committee to investigate these regrettable incidents in order to ascertain their cause so as to avoid them in the future" is weaselly corporate-speak, but it is grammatically active.

“我们正组织一个委员会来调查这些令人遗憾的事故，以便确定它们发生的原因，以避免它们今后再重复”是企业的推诿说法，但它在语法上是主动语气。

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It is regrettable that you should make such a remark.

很可惜你竟然说这些话。

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Peter Cadbury, a great- grandson, said: “It is regrettable that a company which took 186 years to build up has had its future decided by investors whose aims are short term.

曾孙彼得•卡德伯里(Peter Cadbury)则表示：“很遗憾，一家用186年造就的公司，已把自己的未来交到那些关注短期目标的投资者手中。”

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"It certainly is a most regrettable incident and I think it highlights the need to engage with the fire service in community outreach programmes about the importance of them being about to go about their work without interference, " she said.

BBC: Concern about attacks on fire crews

"It is very regrettable, " a spokesman said.

BBC: Hard times for Kosovo troops

"It is regrettable that there was a misunderstanding arising from my comment, " said Butt.

BBC: Pakistan chief Ijaz Butt retracts 'fixing' comments