rude

It is considered extremely rude to check your mobile phone constantly during a formal dinner party.

(Chinese) 在正式晚宴上不断查看手机被认为是非常无礼的行为。

The customer was deeply offended by the rude and dismissive tone used by the young sales clerk.

(Chinese) 顾客被那名年轻店员粗鲁且轻视的语气深深冒犯了。