VOA慢速英语:Kim Jong Un Declares ‘Quasi-State of War’ with S. Korea

quasi –adj. in some way or sense, but not in a true, direct or complete way

miscalculation –n. to make an error in judging something

inadvertent –adj. not meant or planned

escalation –n. to become worse or more severe; to become or make something higher

indicate –v. to show something; to direct attention to