, chronic

1.长期的；慢性的；难以治愈（或根除）的lasting for a long time; difficult to cure or get rid of

2.长期患病的having had a disease for a long time

3.(informal)糟透的；拙劣的very bad

1.慢性的;长期的;积习成癖的

2.〈英俚〉剧烈的,(天气等)恶劣的

1.慢性病人

1.a chronic illness or chronic pain is serious and lasts for a long time. A serious illness or pain that lasts only for a short time is described as acute

2.a chronic problem is always happening or returning and is very difficult to solve

3.doing something again and again, especially something harmful that you are unable or unwilling to stop doing

4.very bad