It's so sad that we've all had creepy teacher experiences.

令人难过的是， 我们都有过令人毛骨悚然的老师经历。

It's a personal experience that a student can correlate with the lesson and remember that particular story from the teacher's experience and correlate it with what he learned.

这是一种个人经历，学生可以将其与课程联系起来，并记住老师的经历中的特定故事，并将其与所学内容联系起来。