indecorum

例句：

1. 1. He wasso rude that he offended everyone present.
   他如此无礼，以至于冒犯了在场的每一个人。
2. 2. The dress she wore wasinappropriate for the occasion.
   她穿的裙子不适合这个场合。
3. 3. His behavior was indecorous, which made everyone uncomfortable.
   他的举止不恰当，让每个人都感到不舒服。