1·Banning smoking would save needless deaths.
禁止吸烟会免除不必要的死亡。
—— 《牛津词典》
2·They greet their children's teenage with needless dread.
他们怀着不必要的恐惧迎接孩子们的青春期。
3·They greet their children's teenage with needless dread.
他们怀着不必要的恐惧迎接孩子们的青春期。
4·Much of this suffering is needless.
这些苦难中许多都是不必要的。
5·This caused a great deal of confusion and needless market fragmentation — which, in turn, impeded the adoption of the useful new paradigm.
这样就导致了令人难以理解以及不必要的市场分歧—反过来也阻碍了有实用价值的新模式的采用。
1·Along with advice about the passive voice and keeping your writing in the same verb tense is this often-quoted axiom: omit needless words.
和在写作中对被动语态的建议及要保持时态一致一样被经常引用的还有：删掉多余的单词。
2·With his extraordinary power, he then pulled his supernatural bow and shot 9 needless SUNS down on the peak of Mount Kunlun.
凭借着他无与伦比的力量，他在昆仑山拉出了他的神弓并将9个多余的太阳射下。
1·To answer this question, I feel needless to say that nowadays, as a world-wide spoken language, how important English is.
回答这一问题，我觉得不需要去说现如今的英语，作为世界上广泛使用的语言，有多么重要。
2·If one is enough, a second although useful is needless.
如果一个够了，那么第二个即使有用，也是不需要的。