compelling  
adjective uk/kəmˈpel.ɪŋ/ us/kəmˈpel.ɪŋ/
  (STRONG)      
  (理由、论证等)令人信服的,很有说服力的
If a reason, argument, etc. is compelling, it makes you believe it or accept it because it is so strong.
  compelling evidence 强有力的证据 
 It's a fairly compelling argument for going. 去的理由很有说服力。 
   (EXCITING)      
 引人入胜的;激动人心的;扣人心弦的
very exciting and interesting and making you want to watch or listen
  I found the whole film very compelling. 我觉得整部影片都很扣人心弦。 
 a compelling story 扣人心弦的故事