perfectionist

详细解释:n. 至善论者, 过分挑剔者, 追求尽善尽美者, 圆满论者

英语解释：

名词 perfectionist:

a person who is displeased by anything that does not meet very high standards

例句：

The innkeeper is a notoriously hard driving, whip-cracking perfectionist.这个酒馆的老板出名地凶狠，不准手下人犯一点错误。