If you don't know that somebody should've taught you that in the 6th Grade or the 4th Grade or the 1st Grade or somewhere.

如果你不知道,那你们肯定是忘了,在六年级或四年级的时候老师肯定讲过,或者一年级,无所谓具体什么时候

耶鲁公开课 - 美国内战与重建课程节选

I went to New Orleans, um, my freshman year in high school, and I saw, you know, break dancers.

我在中学一年级的时候去了新奥尔良，看到了霹雳舞演员。

街头艺术 - SpeakingMax英语口语达人