hitherto [ˌhɪðərˈtu:]

例句:

• Its hitherto strong post-fascist political settlement is rapidly weakening.
  来自BBC
• a hitherto unknown species of moth
  迄今仍属未知种类的蛾
  
• Hitherto he had experienced no great success in his attempt.
  到目前为止,他的尝试还没获得成功.
  
• The polytechnics have hitherto been at an unfair disadvantage in competing for pupils and money.
  到目前为止，理工专科学校在争取生源和资金方面一直处于劣势。
  
• But these early people have hitherto been remarkably elusive.
  来自THETIMES
• Zurab Noghaideli, hitherto finance minister, becomes premier.
  来自BBC
• I have mastered about 10000 English words hitherto.
  迄今为止我已经掌握了大约10000个英语单词。
  来自《权威词典》