well-informed [ˈwɛlɪnˈfɔrmd]

例句:

• Wash the mussels well under cold, running water.
  来自BBC
• The soldiers were well informed about the ringleaders of the protest.
  士兵们对这次抗议活动的带头者已经了如指掌。
  
• This is a subject for serious, well-informed discussion, not tabloid headlines.
  这个主题不同于通俗小报的标题，适合进行严肃而深入的讨论。
  
• He is very well - informed; that's why he won the general knowledge competition.
  他见识非常广博, 所以他在常识竞赛中获胜.
  
• They must be senior persons wise and well informed.
  来自SA
• The questions were terse, specific, well informed.
  来自NEWYORKER