相关单词近義詞 unnecessarily 不必要地, without cause 無故, without reason 不郃情理, uselessly 徒勞地臨近詞needless, needlessly time-consuming procedure.相似詞needlecord, needlepoint, needless, needless to say idiom, needlework, needn't, needy, NEET, 返回 needlessly