inquisitiveness       
noun [ U ] uk/ɪnˈkwɪz.ə.tɪv.nəs/ us/ɪnˈkwɪz.ə.t̬ɪv.nəs/
 好问,好奇;爱打听
the quality of wanting to discover as much as you can about things, sometimes in a way that annoys people
  Children have an inquisitiveness about the world. 孩子对世界充满好奇。 
 His inquisitiveness bordered on rudeness. 他爱打听到了无礼的程度。 
 See: inquisitive
 - More examples
 - He didn't seem in the least affected by her inquisitiveness.
 - I got my sense of inquisitiveness from my father.
 - Laura's inquisitiveness exhausted them.