Once in middle school, there will be so much to fit into a single day!

一旦升入中学，每一天都会被塞得满满的！

youdao

And I actually almost got expelled from school once because I openly expressed how repressed I felt in the middle of the principals' office.

当我还是这个年纪的时候，也觉得时刻受到压制，无法为这个世界做些什么，甚至因为公开表达在校长室里感到压抑而被逐出了学校。

youdao

Once I studied in middle school, I met a very nice English teacher.

在我读中学的时候，我遇到了一个非常好的英语老师。

youdao

Once, in middle school, he was surrounded in the cafeteria by classmates who taunted him for carrying his violin and suggested, mockingly, that he play it.

NEWYORKER: A Loaded Gun

While in middle school, he once stood up in the middle of the Duquesne locker room and told the Dukes they weren't playing hard enough.

WSJ: Rice's abrasive nature apparent early in career