tactlessly       
adverb uk/ˈtækt.ləs.li/ us/ˈtækt.ləs.li/
 不得体地,不圆通地,不明智地
in a way that shows you are not being careful to avoid upsetting someone
  Agatha asked tactlessly whether they were ever going to get married. 阿加莎不客气地问他们到底是否会结婚。 
 See: tactless
 - More examples
 - Sabrina felt she would be best qualified to drive until Graham tactlessly reminded her of her near fatal crash at Le Mans.
 - Kathy tactlessly offered Emily the wedding dress in which she was jilted by Biff.
 - Rather tactlessly , perhaps, Andrew announced his engagement to the second Sarah the day his divorce came through.
 - From the information that you have supplied, it seems that the local authority have acted tactlessly and even rudely, but not illegally.