counterproductive 

  1. 形容詞
產生不良後果的

    同義字詞
feckless,hamstrung,ineffective,ineffectual,inefficacious,inefficient,inexpedient

例句

  1. This form of isolation is counterproductive .
  2. It's obviously counterproductive ," Oates said.
  3. The condition is counterproductive to air flow.
  4. The trick is not to have conflict be counterproductive .
  5. Has the fight or flight response become counterproductive ?