相關(guān)單詞同義詞informal, imperscriptible, 近義詞 private 私人的, unlawful 私生的, unauthorized 未經(jīng)授權(quán)的, unsanctioned 未批準(zhǔn)的(不可接受的..., informal 非正式的, unendorsed [法] 未背書(shū)的, 未認(rèn)..., off-the-record 非正式的反義詞official, 正式的臨近詞unorthodox, unobtrusive, unofficially, unofficial mode, unofficial rule, unofficial rate, unofficial ties, Unofficial City, unofficial goal, unofficial visit, unofficial suite, unofficial talks相似詞unobserved, unobtainable, unobtrusive, unoccupied, unopened, unopposed, unoriginal, unorthodox, 返回 unofficial