instruct  
verb uk/ɪnˈstrʌkt/ us/ɪnˈstrʌkt/
  (ORDER)          
 C1 [ T + to infinitive ](尤指正式地)指示,命令,吩咐 
to order or tell someone to do something, especially in a formal way
  The police have been instructed to patrol the building and surrounding area. 警察奉命在这幢大楼里及周围地区巡逻。 
  [ T ] UK委托(律师) 
to employ a lawyer to represent you in court
  [ T ](法官就法律适用要点)向(陪审团)作说明 
When a judge instructs a jury, he or she tells it what the law means and how to use it.
 - More examples
 - The prime minister's family have been instructed not to discuss his past life with the press.
 - The minister was instructed to accept the advice of senior civil servants.
 - Tourists are instructed not to travel to the region unless absolutely necessary.
 - The government instructed MPs to vote in favour of the bill.
 - He was instructed to report back to headquarters.
 
  (TEACH)      
C2 [ T ]教,讲授 
to teach someone how to do something
  He works in a sports centre instructing people in the use of the gym equipment. 他在体育运动中心工作,教人们如何使用健身器材。