Past isn't something to be glamorized to be the nostalgic about, sentimental about, because the past is gone.

过去不是用来让我们美化的,也不是让我们怀旧感伤的，因为过去了的就成了历史，消失不在了。

麻省理工公开课 - 电影哲学课程节选

And the movie is so sad that you can't stop from crying really loudly

这部电影太令人感伤了，你控制不住地哭出声来。

I can't help but 课堂 - SpeakingMax英语口语达人