A chronic illness or disability lasts for a very long time. Compare acute.
chronic back pain.
长期背痛。
The condition is often chronic.
这种病症通常是长期的。
You can describe someone's bad habits or behaviour as chronic when they have behaved like that for a long time and do not seem to be able to stop themselves.
a chronic worrier.
一个老是发愁的人。
A chronic situation or problem is very severe and unpleasant.
One cause of the artist's suicide seems to have been chronic poverty.
那位艺术家自杀的原因之一好像是极度贫困。
There is a chronic shortage of patrol cars in this police district.
这个治安辖区的巡逻车辆严重短缺。