boor

他在晚宴上大声喧哗，表现得像个粗鲁无礼的人。

He acted like a ___boor at the dinner party, talking loudly and interrupting others.

列车上的那个粗鲁无礼的人用手机外放音乐，吵到了所有人。

The ___boor on the train played loud music from his phone without earphones.

那个粗鲁的人从排队的人群中挤到了最前面。

The ___boor pushed past everyone in the line to get to the front.