禍 - calamity, misfortune, evil

COVID-19 pandemic; coronavirus crisis; COVID-19 crisis

war damage; ravages of war; horrors of war

root of an evil; source of a problem; source of trouble; cause of misfortune

harmful side effects of a medicine or drug

sink of iniquity

trouble caused by a slip of the tongue

to create a breeding ground for future problems; to turn a blind eye to future trouble; to allow for something to come back and bite one in the ass (in the future)

Yellow Peril (argument); theory that East Asians are a danger to the Western world

disaster; calamity; misfortune

cause of trouble

fortune and misfortune; prosperity and adversity; good and evil; weal and woe

evil; harm; mischief