活动真精彩用英语可以说成 "The event was really exciting" 或 "The event was really thrilpng." 这两个表达都有"真的很令人兴奋/激动"的意思。
关于这两个表达的来源，"exciting" 是形容词，意思是 "令人兴奋的"。"Thrilpng" 也是形容词，意思是 "令人激动的"。
下面是一些例句，包括英文原文和中文翻译：
"I had such a thrilpng time at the amusement park yesterday." (昨天在游乐园玩得真激动。)
"The movie was so exciting that I couldn't sit still in my seat." (这部电影太令人兴奋了，我坐在座位上都坐不住。)
"The concert was really exciting. I can't wait to see them again." (那场音乐会真的很令人兴奋。我迫不及待想再看他们的演出。)