英used in expressions that convey frustration and futility, such as 無奈|无奈[wu2 nai4] and 莫可奈何|莫可奈何[mo4 ke3 nai4 he2] (literary), used for its phonetic value in writing foreign words
德Nai (Eig, Fam), was (Pron), wie, aber (无奈 hilflos sein, 怎奈 aber) (Adv)
法comment?, moyen, ressource, (partic. disjonctive)