not very interesting, successful or attractive 乏味的；平凡的；无特色的；不吸引人的 an undistinguished career 平凡的职业生涯
Extra ExamplesTopics Difficulty and failurec2A few interesting buildings have been replaced by typically undistinguished modern blocks. 几座有趣的建筑已被典型的乏味的现代楼房所取代。 The king resembled his undistinguished father in appearance. 国王长相酷似父亲。