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

已往[iou] hereafter
一往[ichiou] once
右往左往[uousaou] move about in confusion
往き返り[yukikaeri] round trip
往なす[inasu] to parry

往還[oukan] traffic
往航[oukou] outward voyage
往事[ouji] the past
往時[ouji] ancient times
往信[oushin] first half of a reply card

蒼茫[soubou] dusky
茫然[boozen] dumbfounded
茫然自失[bouzenjishitsu] stupor
茫漠[boubaku] boundless
往事渺茫[oujibyoubou] memories of the past events (being, becoming) far and distant

往事茫茫[oujiboubou] memories of the past events (being, becoming) far and distant
茫茫[boubou] wide expanse of flat surface (e.g. sea, plains)
草茫々[kusaboubou] covered with weeds
渺茫[byoubou] vast