お大事に[odaijini] take care of yourself
事がある[kotogaaru] (something) has occurred
事にすると[kotonisuruto] perhaps
事になる[kotoninaru] it has been decided (so) that
事によって[kotoniyotte] via

どうという事もない[doutoiukotomonai] nothing special
悪事[akuji] evil deed
暗殺事件[ansatsujiken] assassination
囲み記事[kakomikiji] (newspaper) column
遺事[iji] reminiscences