新しん旧きゅう交こう代たいMeaningsNounSuru verb1. replacing the old with the new; the old giving way to the newKanji used新new旧old times交mingle代substituteComposed of新しん旧きゅうnew and old; incoming and outgoingNo-adjective交こう代たいchange; alternation; rotation; replacement; substitution; shift; relief; taking turnsNoun