act upon
phrasal verbact on/upon something  
- to take action as a result of advice, information, etc.根据(建议、信息等)行事 - Acting on information from a member of the public, the police raided the club.警察根据群众举报,突然搜查了这家俱乐部。 
- Why didn't you act on her suggestion?你为什么没有按照她的建议去做呢? 
 
- Acting on information from a member of the public, the police raided the club.