哥哥，我们的客人在叹气了。

Brother, our guest is sighing.

youdao

一进教室，又听到同学们在哀声叹气了。

Jinjiao Shi, I have heard that the students will have a Aisheng sigh.

youdao

你如果不更刻苦用功准备入学考试，明年你就要唉声叹气了。

You'll be singing the blues next year if you don't study harder for your entrance exams.

youdao

OK, here we go, here we go, you see, I'm doing it down here, I can't see it, does that-- ah, I hear his sighs of relief, OK, good. There we go. Better. All right.

好，我们开始，大家可以看到，我在这里写这个程序，我看不见，这是不是-啊，我听到大家放松的叹气了，好，让我们开始吧，好多了，好。

麻省理工公开课 - 计算机科学及编程导论课程节选