不成功短语英语怎么说

不成功的英文短语是"to fail". 来源：这个词来源于拉丁语中的"fall"，意思是"掉落"或"失败"。
例句：
I'm sorry, but your application to the university has failed. (对不起，你的大学申请不成功。)
Despite his best efforts, he failed to complete the marathon. (尽管他尽了最大努力，他还是没能完成马拉松比赛。)
She was devastated when she failed her driving test. (当她的驾驶考试不成功时，她感到非常沮丧。)