indecorous

He felt that there was something indecorous in her proposal.

他觉得她的打算有点不恰当.

an instance of indecorous behavior or action.

无礼行为失礼的言行或表现

do not bring into the hall or exhibit any advertising materials, illegal substance, combustible materials, damaged materials and anesthetic or indecorous matter.

除非预先获得学生事务处特别安排，切勿将任何宣传物料、易燃物品、非法物品、危险品及不雅污秽物品带进宿舍或在宿舍内展示。

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.

this disposition may work out in decorous morality or in indecorous immorality, but it has the one basis, my claim to my right to myself.

这个性情会表现在有礼貌的道德行为或是没礼貌的不道德行为上，但都有同一个基础——就是我对自我权利的主张。