错过的东西永远比失去的多。那还悲伤什么。

Miss something more than lose forever. What is sad.

youdao

思考一下什么是快乐，什么是悲伤。

Think what is happiness and what is sad.

youdao

“我不知道他们为什么离开，”他悲伤地说。

"I don't know why they left," he said dolefully.

《柯林斯英汉双解大词典》

What else is sad? It's sad when Dean leaves Sal feverish in Mexico.

还有什么是悲伤的？，当迪安在墨西哥离开发烧的萨尔时。

耶鲁公开课 - 1945年后的美国小说课程节选