a waste of time

• E are no taxis it ' s a waste of time standing in the rain
  没有出租车在雨中站着是浪费时间。
• It ' s only a waste of time to speak to her
  和她说话纯粹是浪费时间。
• A : definitely not . it ' s a waste of time
  绝对不会了。这是浪费时间。
• Watching television can be a waste of time
  1看电视可能是浪费时间
• It is a waste of time arguing with him
  （跟他辩论是在浪费时间。 ）
• It is a waste of time to try to rehabilitate some criminals
  试图挽救某些罪犯纯粹是浪费时间。
• Dragging in suspects like that is a waste of time , so
  调查这样的家伙简直是在浪费时间，所以
• It ' s a waste of time . am i right
  （那纯粹是浪费时间，对不对？ ）
• B : me too . it ' s such a waste of time
  我也是。这浪费了很多时间。
• Definitely not . it ' s a waste of time
  绝对不会了。这是浪费时间。