FAQs About the word unofficial

非官方的

not having official authority or sanction, not officially established

非正式的,未经授权,异端的,不规则的,毫无礼节,非传统的,非常规的,随便的,随和的,熟悉的

礼仪的,传统的,正式,东正教的,适当,常规,例行公事,仪式性的,正确,得体的

unoffensive => 无冒犯性的, unoffending => 无害的, unoccupied => 无人居住的, unobvious => 不明显的, unobtrusiveness => 不显眼,