neurosis

His obsession with cleanliness was diagnosed as a symptom of a mild neurosis.

(Chinese) 他对清洁的痴迷被诊断为轻度神经症的症状。

Chronic stress can lead to the development of various forms of neurosis in some individuals.

(Chinese) 慢性压力可能导致某些人产生各种形式的神经症。