to join someone’s online activity or conversation uninvited
誰かのオンライン活動や会話に招かれずに参加すること (dareka no onrain katsudo ya kaiwa ni manekarezu ni sanka suru koto)
"He just tagged along in our group chat without asking."
"彼は許可もなく私たちのグループチャットにタグアロングした。" (kare wa kyoka mo naku watashitachi no gurupu chatto ni tagu arongu shita)
to challenge someone to prove their authority or claim
no longer interested or affected by something
to make a very serious promise that something is true
to remember or recall something
recovered and healthy again
to close an area so people cannot enter
