She is obsessional about cleanliness.

她有洁癖。

She became almost obsessional about the way she looked.

她关注自己的外表几呼接近病态。

Objective To study the personality characteristics associated with obsessional neurosis and collect reference data for clinical psychological intervention.

目的了解强迫症的人格特征，为临床心理干预提供参考依据。

As she observes, obsessional interests and repetitive behaviours would allow someone to practice, albeit inadvertently, whichever skill they were obsessed by.

她发现通过强迫性的兴趣和重复性的行为，人们可以不断对所沉迷的技巧加以训练——虽然这并非出于自闭者本意。

Both extremes have core autistic features, such as preoccupation with detail, obsessional interests and difficulties in understanding other people’s perspectives.

这两个极端的患者都有着孤独症的核心特征，比如注重细节，着魔于某些兴趣，以及无法从他人的角度思考问题。