一般而言 粗鲁和无礼可以一起用 例如：他太粗鲁无礼、太不友好了。 粗鲁：强调的是动作上 粗暴鲁莽 无礼：强调的是礼节上 不尊重 没有礼貌

粗鲁--性格﹑行为等粗野鲁莽 无礼--不循礼法;没有礼貌

粗鲁是无礼的一种。means 无礼includ 粗鲁。 无礼 bigger than 粗鲁

A person can be described as both 粗鲁 and 无礼. 粗魯 is a word describing more of a person's physical behavior. ㄧ個粗魯的人 is considered as lacking cultural refinement and is acting in an uncivilized manner. Here 礼 represents a set of social behavior that educated people in general adhere to be considered as polite. A person who is 无礼 is said to be either unaware of or simply disregard such social etiquette.