大たい使し級きゅう会かい談だんMeaningsNoun1. ambassador-level conferenceKanji used大large使use (something physical)級class会meeting談conversationComposed of大たい使しambassadorNoun級きゅう(school) grade; year; class; grade; rank; level; kyu (junior rank in martial arts, go, shogi, etc.)Noun会かい談だんtalks (i.e. formal discussions); conference; meetingNoun