美 
											['krɑːnɪk]
																
										
							(of a disease) continual; lasting a long time
suffering from a disease over a long period
very bad
																																	"chronic indigestion"
																							"a chronic shortage of funds"
																							"a chronic invalid"
																															
																																	"chronic money problems"
																															
																																	"a chronic smoker"
																															
A state of chronic revolution and civil war.
出自: J. S. Mill
There was a chronic inaccuracy in him which vexed his father's soul.
出自: J. Buchan