I'm sorry. The dress code is mandated.

很遗憾 这些着装的要求是强制性的。

Never forgive, never forget, this is your last regret!

绝不原谅，永不忘记，这是你们最后的遗憾！

I must unfortunately disappoint you with regard to the invitation.

遗憾的是，有关共进咖啡的事，我恐怕要让你失望了。

You can use words like sorry and pathetic as synonyms for pitiful.

大家可以用Pitiful的同义词Sorry（可怜的；遗憾的）和Pathetic（可怜的，可悲的）来表示同样的意思。

I regret to say he did not honor me with his patronage.

遗憾的是我没能荣幸地为他效劳.

Sadly enough. Yes, they did. It was a really bad mistake.

唉，遗憾的是，确实是这样。他们错得太离谱了。

My needs...My beauty...My screen...-Now, the shame of it was that they loved each other.

我的需求...我的美貌...我的屏风...－然而遗憾的是他们两个深深爱着彼此。

For the aspiring undying, Mr Cave unfortunately concludes that immortality is a mirage.

对向往长生不老的人而言遗憾的是，凯夫做出了一个结论：永生是种幻想。

And with that, very sadly it's the end of our time here in Dali.

说到这里，很遗憾我们在大理的旅行就要结束了。

Sadly, I have not been able to do so.

遗憾的是，我一直未能做到这一点。

Unfortunately he could not join us for this incredible celebration.

但遗憾的是，他无法参加这场激动人心的庆祝活动。

But the sad truth is he has never made it onto screen.

但遗憾的是，他从来没有露过脸。

Unfortunately, Glycogen has a very limited storage space.

遗憾的是，肝醣的储存空间非常有限。

Sadly, Matthew's illness did not allow him to accept the help his friends were offering.

遗憾的是，马修的病情让他无法接受朋友们提供的帮助。

Well, unfortunately, we've run out of time.

好吧，遗憾的是我们没时间了。

Unfortunately, that's all we've got time for, but remember join us again.

遗憾的是今天的节目到这里就要结束了，但记得再次加入我们啊。

Sadly I didn't write that, they did.

遗憾的是，这不是我写的，而是他们写的。

Sadly, each of these techniques has been tested scientifically and shown to be ineffective.

遗憾的是，这些方法技术都经过了科学的测试，结果都是无效的。

I'd seen this guy before, regrettably just walked by him.

我以前见过这个人，遗憾的是我只是从他身边走过。

Now, the sad part of that is that Indigenous languages are in danger.

然而令人遗憾的是，土著语言正面临即将消失的处境。