int.(表示悲伤或遗憾)哎呀，唉

Alas, the weather forecast predicts rain for our outdoor picnic.
可惜的是，天气预报显示我们的户外野餐可能会下雨。
Alas, the beloved book was lost in the fire.
唉，那本心爱的书在火灾中丢失了。
Alas, I cannot attend the party due to prior commitments.
真遗憾，我因为先前的约定不能参加聚会了。
Alas, the deadline is tomorrow and the project is far from completion.
遗憾的是，截止日期就在明天，而项目还远未完成。
Alas, my childhood home has been demolished to make way for new construction.
可叹的是，我童年的家已被拆除，为新的建筑让路。
Alas, the team's hard work ended in defeat on the final play of the game.
真是遗憾，球队的努力在比赛的最后一刻化为了败局。
Alas, the treasure hunters found nothing but empty chests in the cave.
真可惜，寻宝者们在洞穴里找到的只是一些空箱子。
Alas, we have run out of time to discuss this matter further.
很遗憾，我们已经没有更多的时间来深入讨论这个问题了。
Alas, the once-thriving town now lies abandoned and forgotten.
可悲的是，那个曾经繁华的小镇现在已经被废弃和遗忘。
Alas, despite his best efforts, he failed to achieve his lifelong dream.
遗憾的是，尽管他尽了最大努力，但还是未能实现他一生的梦想。