predisposition       
noun [ C ]  formal uk/ˌpriː.dɪs.pəˈzɪʃ.ən/ us/ˌpriː.dɪs.pəˈzɪʃ.ən/
 倾向;禀性;(易患某种疾病的)体质
the state of being likely to behave in a particular way or to suffer from a particular disease
  She has an annoying predisposition to find fault. 她有爱挑毛病这一令人讨厌的禀性。 
 There is evidence that a predisposition to(wards) asthma runs in families. 有证据表明易患哮喘是家族遗传的。