Definition (等级)
to be considerably better than someone else at a particular activity or skill.
在某方面比你强得多
I can't play chess with him; he's completely out of my class!
我不能跟他下棋；他完全比我强得多！
I sometimes enter regional photography competitions, but the people who enter national competitions are way out of my class.
我有时会参加地区性的摄影比赛，但参加全国比赛的人比我强得多。
I'm sorry, but the students who go to Yale are simply out of your class.
很抱歉，但去耶鲁大学的学生完全比你的水平高。