He's a pathological liar.

他是个说谎成性者。

《柯林斯英汉双解大词典》

Ossification of the spinal ligaments is a pathological condition that causes myelopathy, radiculopathy, or both.

脊柱韧带骨化症可引起脊髓和（或）神经根损害。

youdao

To understand the specialized terms exactly in a pathological report is helpful for diagnosis, treatment and recovery of disease.

正确理解病理报告中的专业术语，有助于疾病的诊断、治疗及康复。

youdao

The problem with--there's a problem with gambling behavior because in a certain fraction of the population we have pathological gambling.

赌博行为有个特殊情况,在人群中总会有一小撮人,我们称之为病态赌博

耶鲁公开课 - 金融市场课程节选

She is also swimming against two currents in American life: petty puritanism and a pathological obsession with safety.

ECONOMIST: A Joan of Arc, burning on the pyre of American puritanism

Sequelae is a pathological condition resulting from a previous disease or injury.

BBC: Doctors warn over homeopathic 'vaccines'

My mother had been the proud owner of Cindy, a shepherd-collie mix with serious aggression issues and a pathological obsession with Ritz crackers.

NEWYORKER: A Box of Puppies