1·The move from elementary school to middle school or junior high can be difficult.
从小学进入中学或者初中的这种变动可能会有困难。
—— 《柯林斯英汉双解大词典》
2·Things got even worse in junior high.
到了初中，情况变得更糟了。
3·How time flies! After the party, maybe it's time to say goodbye to junior high.
时间过得真快！聚会结束后，也许是时候和初中生活告别了。
4·Because in elementary school and junior high, you have such a variety of skill levels and effort levels.
因为在小学和初中，你有各种各样的技能水平和努力水平。
5·Junior high was always a difficult time for me, and the move made my ninth grade year even harder.
对我来说，初中一直是一段艰难的日子，而那次搬家让我的九年级生活更加艰难了。