Correct or improve the translation of the following Chinese sentences.原文：过去向我们学习的人，现在反而超过了我们，这对我们确实是一种鞭策。
译文：People who had learned from us now excelled us. It was a real challenge.改译：
Correct or improve the translation of the following Chinese sentences.原文：过去向我们学习的人，现在反而超过了我们，这对我们确实是一种鞭策。
译文：People who had learned from us now excelled us. It was a real challenge.改译：
IT WAS A REAL CHALLENGE THAT THOSE WHO HAVE LEARNED FROM US NOW EXCELLED US.
