indelicate /ɪnˈdɛlɪkɪt/

• 1. 

  ADJ If something or someone is indelicate, they are rude or embarrassing. 不得体的 [正式]

  例：

  She really could not touch upon such an indelicate subject.

  她实在不想触碰如此令人窘迫的话题。