It's a great pity that you can't stay for the weekend.

真可惜，你不能留下来过周末。

It's a great pity that few people have realized the importance of water protection.

遗憾的是很少有人认识到保护水的重要性。

It's a pity that many enterprise managers fail to see this and try to seek remedies after wrong decisions have incurred great losses, which, they will find, may be too late to make up for.

可惜大多数的事业经营者均未能认识到这一点，等到错误的决策造成了重大的损失才寻求弥补，有时是亡羊补牢，为时已晚。

I feel great here and it's a pity that the season is over.

我现在感觉很好，遗憾的是赛季结束了。