finicky          
adjective uk/ˈfɪn.ɪ.ki/ us/ˈfɪn.ɪ.ki/
 disapproving难讨好的,难取悦的 
difficult to please
  a finicky eater 挑食的人 
 He's terribly finicky about his food. 他吃东西十分挑剔。 
  UK需细心的,需注意细节的 
needing a lot of attention to detail
  Repairing watches must be a very finicky job. 修表一定是个很细致的活儿。