“病态的”的英语？

他们去那里纯粹是为了满足其病态的好奇心。They are there only to satisfy their ghoulish curiosity.他的脸上透出一丝病态的苍白。His face took on an unhealthy whitish hue.他对血有着一种病态的喜好。He had a morbid fascination with blood....