Bob：
Once every four years, the greatest athletes from all over the world gather together to take part in the Olympic games.
每隔四年，世界上最优秀的运动员都从四面八方汇集到一起参加奥林匹克盛会。
Kate：
I think getting a gold medal is the dream of every competitor.
我认为赢得一枚金牌是每一个运动员的梦想。
Bob：
But they have to spend long years training hard and lonely.
但是他们必须为此年复一年地进行漫长而且常常是单一枯燥的训练。
Kate：
Of course. After all that hard work, they will go the Olympics to compete against other excellent competitors.
当然。付出这些艰辛的劳动之后，他们要到奥运赛场上同其他优秀的选手较量。
Bob：
Besides, each of them has to overcome particular difficulties on their way to success.
除此之外，他们中的每一个人还不得不在他们成功的道路上克服许多困难。
Kate：
Yes. Behind success are tears and sweats.
对。成功的背后有太多的泪水和汗水。
对话讲解：
take part in 参加
We all had to take part in the training run, with nobody excepted.
我们大家都得参加跑步训练，无人例外。
compete against v. 和 ... 竞赛
The children compete against each other to reach the other end of the pool.
孩子们竞相向池的另一头驶去。
overcome vt.克服
There will be no difficulty in the world that they cannot overcome.
世界上任何困难他们都可以克服。