[なくてもよい;なくてもいい, nakutemoyoi ; nakutemoii](exp) (1) (after neg. stem of verb) need not (verb); (not) have to; expressing absence of obligation or necessity; (2) (See 無い) need not have; need not exist[Add to Longdo]
[なくことじとうにはかてぬ, nakukotojitounihakatenu](exp) (id) you cannot win against someone who doesn't listen to reason (e.g. a crying child or a violent lord); you can't fight City Hall[Add to Longdo]