[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]
[チューチューなく(チューチュー鳴く);ちゅうちゅうなく(ちゅうちゅう鳴く), chu-chu-naku ( chu-chu-naku ); chuuchuunaku ( chuuchuu naku )](exp, v5k) to squeak; to chirp; to twitter[Add to Longdo]
[あんじょうひとなくあんかうまなし, anjouhitonakuankaumanashi](exp) (obsc) riding a horse so skillfully that it appears as if man and horse have become one[Add to Longdo]