indecorous
adj. 不合礼节的; 欠妥
1. lacking propriety and good taste in manners and conduct;
2. not in keeping with accepted standards of what is right or proper in polite society;
He felt that there was something indecorous in her proposal.
他觉得她的打算有点不恰当.
She could not ignore his indecorous behaviour though she loved him very much.
尽管她非常爱他却无法忽视他那有失体统的行为.