opportunists

例句:

• Car thieves are opportunists.
  偷车贼都是些瞅准机会就下手的人。
  
• Already a few opportunists were braving the snow and collecting cases.
  已经有那么几个捞外快的人冒雪捡起箱子.
  
• There were many opportunists and few men of principle.
  机会主义者多,坚持原则的人绝无仅有.
  
• Many opportunists decided it was their good times coming.
  来自WSJ
• There were apparently opportunists outside the gym, too.
  来自NEWYORKER
• The Party was becoming corrupt with more opportunists...than honest communists.
  来自S. Rosenberg