Although regrettable, but not the hearts of how pain.

虽然遗憾，但不是如何心中的痛苦。

youdao

Humble Administrator's Garden has a deep cultural heritage, although with the tour guide but also understand the fur, but not with the tour guide is absolutely regrettable.

拙政园有极深的文化底蕴，虽然跟导游也不过了解皮毛，但不跟导游绝对遗憾。

youdao

Geithner's decision, although regrettable, was predictable.

FORBES: Magazine Article

Former Danish Prime Minister Mr Rasmussen said that although some civilian deaths caused by Nato action were inevitable and regrettable, he was determined to reduce such fatalities - a cause of bitter resentment in Afghanistan.

BBC: Nato in pledge on Afghan deaths

The action scenes play well, the high point being a fencing duel between Bond and his nemesis, although a scene with Bond surfing an ice-strewn tsunami is a regrettable bust.

NEWYORKER: Die Another Day