“简直完美”用英语可以说作 "absolutely perfect"。
其来源是来自两个单词 "absolutely" 和 "perfect" 的组合。 "Absolutely" 是副词，意思是 "绝对地"、"完全地"；"perfect" 是形容词，意思是 "完美的"。
下面是一些例句：
The view from the top of the mountain was absolutely perfect. (从山顶上看的景色简直完美。)
That dress is absolutely perfect for the occasion. (那件连衣裙简直完美适合这个场合。)
I think this is absolutely perfect, I don't think we should change a thing. (我认为这简直完美，我们不应该改变任何事情。)