她对清洁的执着几乎成了一种病态，每天要擦洗地板三次。

Her ___monomania for cleanliness became almost pathological, making her mop the floor three times a day.

他对邮票收藏的狂热已经到了病态的程度，完全忽视了其他兴趣爱好。

His ___monomania for stamp collecting has reached a pathological level, ignoring all other hobbies.