不必要

• The only thing he could regret was his needless dread .
  他唯一觉得遗憾的，是自己不必要的恐惧。
• All you're doing is worrying your mother unnecessarily .
  你做的事是给你妈妈增添了不必要的麻烦。
• The accountant checked this unnecessary spending in good time .
  会计及时卡住了这笔不必要的开支。
• The unnecessary infliction of pain and suffering should be avoided .
  不必要的痛苦和苦难应该避免。
• Even these remaining rights are often needlessly violated .
  甚至这些剩余的权利也往往受到不必要的侵犯。
• Prevention is the cheapest means to avoid undesirable competition .
  预防是避免不必要的竞争的廉价方法。
• The teacher cancelled many unnecessary words in his composition .
  老师在他的作文中删掉许多不必要的字。
• Additional drying costs are incurred when grain is dried more than necessary .
  谷物不必要的过干，会增加干燥的成本。
• That last remark is uncalled for, out of order, and you will please withdraw it .
  那句话是不必要的，是不妥当的，请你收回。
• Unnecessary cost creeps in and, if not continuously monitored .
  如不加以经常性的监督，一些不必要的费用就会不知不觉地混入。