(1)参加校会 attend school meeting
(2)上学 attend school /go to school
(3)取得成功 achieve success
(4)一事无成 accomplish nothing
(5)得到好分数 get good marks / grades
(6)平均气温 average temperature
(7)中等以上 above medium
(8)低于一般水平 below the average
(9)为.做准备 make preparation in advance