他的完美主义让他在工作中总是对自己不满意，即使任务已经完成得很好。

His ___perfectionism makes him unsatisfied with his work even when it's well done.

她的完美主义导致项目一再延期，因为她总是不满意自己的设计。

Her ___perfectionism caused the project to be delayed repeatedly as she was never satisfied with her designs.