没有用英语怎么说

太多了,不知具体用在哪个方面?无用的useless, futile, idle, of no use, unavailable, unnecessary, feckless, void没有价值的 nugatory valueless
It's useless to complain about others when one is in trouble.

活者?还是活着??定冠词the与形容词或分词连用,表示一类人活者(生者)--the living死者--the dead富人--the rich生还者,幸存者Survivor

无用之人 :black sheep,Good for Nothing,a dead dog
