undistinguished
adjective /ˌʌndɪˈstɪŋɡwɪʃt/
  /ˌʌndɪˈstɪŋɡwɪʃt/
 - 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 
 Topics Difficulty and failurec2- A few interesting buildings have been replaced by typically undistinguished modern blocks.几座有趣的建筑已被典型的乏味的现代楼房所取代。 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.国王在外表上像他平凡的父亲。 
 
- an undistinguished career