untypical       
adjective uk/ʌnˈtɪp.ɪ.kəl/ us/ʌnˈtɪp.ɪ.kəl/
 非典型的;无代表性的
not typical
  Her angry outburst was untypical; she's usually a very quiet woman. 她一般不会这样发脾气,平时她是一个很安静的人。 
 It is not untypical of girls of her age to be concerned about their appearance. 她那般年纪的女孩子一般都很在意外表。