Why is it necessary to have top class coaches?

为什么需要有最高水平教练人员?。

When I left school, I was probably in the top class in my school.

我毕业之前，一直是我们学校班里的尖子生。

Can an athlete reach his full potential without a top class coach?

没有高水平的教练员，能使运动员发挥出他们的全部潜力吗？

What are the basic individual qualities that a top class fencer requires?

尖子击剑运动员需要具有什么基本素质？ ？

It is also one of the top class scenic spots crowded with visitors every day.

它也是一个每天挤满游客的顶级景点。