undistinguished [ˌʌndɪˈstɪŋɡuɪʃt]

例句:

• An undistinguished modern building situated...next to a petrol station.
  来自D. Lodge
• Sometimes formal English and informal English are undistinguished.
  有时候正式英语与非正式英语很难分清.
  
• He retired from the army with undistinguished record of service.
  他带着平凡的服役记录离开了军队.
  
• In Harvard he was undistinguished but read widely.
  在哈佛大学读书期间他并无过人之处,但博览群书.
  
• Much of this is simply undemanding and undistinguished.
  来自BBC
• This is an undistinguished looking bird with long wings and tail.
  来自BBC