相关单词同义词informal, imperscriptible, 近义词 private 私人的, unlawful 私生的, unauthorized 未经授权的, unsanctioned 未批准的(不可接受的..., informal 非正式的, unendorsed [法] 未背书的, 未认..., off-the-record 非正式的反义词official, 正式的临近词unorthodox, unobtrusive, unofficially, unofficial mode, unofficial rule, unofficial rate, unofficial ties, Unofficial City, unofficial goal, unofficial visit, unofficial suite, unofficial talks相似词unobserved, unobtainable, unobtrusive, unoccupied, unopened, unopposed, unoriginal, unorthodox, 返回 unofficial