英语作文A Defining Moment 一个决定性时刻,100多个词就够了

We all have a defining moment in our lives time.Some one might done great work at that defining moment.then,they would achieved a significant success,and made their dream come ture.But,some one might not.Thus,how to success in the difining moment is a cirtical problem for everyone.So far,one of methors I believed is that we should always be prepared for that moment.A defining moment is a lucky chance.If you did not catch it this time,you might lose it forever.All in all,In order to win in this situation,we have to get yourselve well-prepared.
在我们的一生中,我们会遇到一个决定性的时刻.有些人可能在这个时刻抓住机会从而获得了显著的成功实现了个人梦想.但有些人则不是（但有些人却失败了） 因此 如何在这个决定性的时刻取得成功对每个人来说都是一个值得思考的问题.至今为止我所能想到的方法是 我们都应该为这个时刻而准备.一个决定性时刻就如同一个幸运的机遇（可遇而不可求的机会）.如果你失去了把握的机会那么你可能就会一辈子错过这个机会了.总之,为了在这种情况下胜利,我们必须充分准备.
我是自己写的

when it comes a defining moment , I want to talk about the moment when I watch a NBA final game, In my memory ,that match was really fierce, Yao's dumk over Kobe on the fast break was the highlight of...

要求太模糊了，能稍微具体一点么。