不必要

• If a constraint is unnecessary , change it
  如果某个限制是不必要的，请修改它。
• They need not have been punished so severely
  他们受到这样严厉的惩罚是不必要的。
• But you don ' t have to give up what you enjoy
  但，你不必要放弃你所喜欢的东西。
• Turn off unnecessary lighting and electrical appliances
  关掉不必要的电灯及电器
• It didn ' t seem worthwhile writing it all out again
  把这都再写出来似乎不必要。
• It draws attention to you in a negative way
  这样的消极会引起他人不必要的注意
• Otherwise , you may injure your opponent
  否则你很可能使对手受到不必要的伤害。
• We ' ve agreed to cut the frills , remember
  我们说好要减少不必要的花费，记得吗？
• For his unnecessary roughness during the match
  在比赛中会因不必要的粗暴行为
• It draws attention to you in a negative way
  这样的消极会引起他人不必要的注意