He knew upperclassmen could have a big effect on younger students .

他知道高年级学生对低年级的学生影响很大。

Once all of the upperclassmen had left , the freshmen were ordered .

曾经是高年级学生都离开了，新生被勒令。

But I don 't think she 's about to goon a rampage , beating up upperclassmen .

但是我不认为她会胡闹到打一个高年级同学.

Many upperclassmen grab this time to make a fast buck , and more importantly , to acquire early experience in business .

许多高年级学生都会抓住这个机会挣外快，而更为重要的是，他们还可以提前取得一些生意经。

Hey , I got all the information from the upperclassmen .

嗨，我从学长们那里拿到所有的资料了。