千載一遇 せんざいいちぐう once-in-a-lifetime (opportunity) #25,682 Meanings takes の, noun, four-character idiom once-in-a-lifetime (opportunity); golden (opportunity); one-in-a-million (chance) Its kanji 千 セン · ち thousand 載 サイ · の.せる、の.る ride, board, get on, place, spread, 10**44, record, publish 一 イチ、イツ · ひと-、ひと.つ one, one radical (no.1) 遇 グウ · あ.う meet, encounter, interview, treat, entertain, receive, deal with