真遗憾用英语怎么翻译？

真遗憾翻译为英语是What a pity.例如：

下雨了，真遗憾！

What a pity that it is raining.

真遗憾，我想和你一起喝一杯。 ?

What a pity. I wanted to go for a drink with you.

他不能同你一块儿去真遗憾！

What a pity ( that) he can't go with you!