poor relation

• 1. 

  N-COUNT If you describe one thing as a poor relation of another, you mean that it is similar to or part of the other thing, but is considered to be inferior to it. 相形见绌的东西 [usu N 'of' n]

  例：

  Watercolour still seems somehow to be the poor relation of oil painting.

  水彩画似乎仍比油画略逊一筹。