perfectionist

完美主义者、追求完美的人

She is such a perfectionist that she rewrites every email twice.

她是个完美主义者，每封电子邮件都要重写两次。

完美主义的、力求完美的

His perfectionist habits make simple tasks take all afternoon.

他那种完美主义的习性，让简单的工作耗掉整个下午。