He experiences chronic, almost pathological jealousy.

他经受着长期的、近乎病态的嫉妒。

《柯林斯英汉双解大词典》

Abnormal jealousy is often described by any one of a number of adjectives, including morbid, psychotic, pathological, delusional or anxious jealousy.

异常的嫉妒往往可以用几个形容词中的一个来描述，包括病态的，精神的，病理的，妄想的或焦虑型的嫉妒。

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