unreported [ˌʌnrɪˈpɔ:rtɪd]

例句:

• Almost ninety per cent of all rapes and violent assaults went unreported.
  几乎90%的强奸案和暴力侵害案都没有报案。
  
• Cases of child abuse often go unreported or ignored by uninformed citizens.
  虐待儿童案件常常没人举报，或者为缺乏相关知识的公民所忽略。
  
• The Home Office acknowledges that much crime goes unreported.
  内政部承认很多犯罪活动没有举报。
  
• That is where the majority of the unreported rape happens.
  来自BBC
• Most food-related illnesses cause relatively minor discomfort and go unreported.
  来自WSJ
• But he said thousands of other cases may have gone unreported.
  来自VOA