early 15c., of diseases, "lasting a long time," from Middle French chronique, from Latin chronicus, from Greek khronikos "of time, concerning time," from khronos "time" (see chrono-). Vague disapproving sense (from 17c.) is from association with diseases and later addictions.
实用例句
1. Those who suffer from narcissism become self-absorbed or chronic show-offs.
被自恋症折磨的人会变得只专注于自己的事情，或者不断地自我炫耀。来自柯林斯例句
2. 10,000 deaths a year from chronic lung disease are attributable to smoking.
吸烟导致每年有1万人死于慢性肺病。来自柯林斯例句
3. About 4% of the prison population have chronic psychiatric illnesses.
大约4%的犯人有慢性精神疾病。来自柯林斯例句
4. Persistent damage or inadequate healing may lead to chronic lameness.
反复受伤或治疗不当可导致长期跛足。来自柯林斯例句
5. One cause of the artist's suicide seems to have been chronic poverty.
