mixed bag片语KK [mɪkst bæg] /mɪkst bæɡ/发音片语1好坏参半、良莠不齐、优劣不一口语The reviews for her new album were a mixed bag.她新专辑的评价好坏参半。2大杂烩、形形色色的组合The class is a mixed bag of teenagers and retired professionals.这个班级成员形形色色,既有青少年也有退休的专业人士。用这个字练口说→