opportunist [ˌɑ:pərˈtu:nɪst]

例句:

• Eric Cantona made the game safe with a brilliant opportunist goal.
  埃里克·坎通纳抓住机会踢进绝妙的一球，锁定了比赛的胜局。
  
• Like most successful politicians, Sinclair was an opportunist.
  跟大多数得志的政客一样，辛克莱也是个机会主义者。
  
• The party grew more reformist and opportunist.
  这个党变得越来越具有改良主义和机会主义的特征.
  
• Some police can be opportunist and manipulative.
  来自BBC
• Deliberately frivolous as he was, a hedonist, an opportunist.
  来自D. Athill
• It is very opportunist, dishonest and dogmatic to do that.
  来自SA