fastidiousness

他对厨房卫生的挑剔确保了每件餐具都一尘不染。

His ___fastidiousness about kitchen hygiene ensured every utensil was spotless.

她对清洁的过分讲究让她每天要洗十几次手。

Her ___fastidiousness about cleanliness makes her wash her hands over a dozen times a day.

她对家居装饰的挑剔让她花了三个月才选到满意的窗帘。

Her ___fastidiousness about home decor made her spend three months choosing the perfect curtains.