张冠李戴 zhāng guān lǐ dài

DEFINITIONS

  1. lit. to put Zhang's hat on Li's head
  2. to attribute sth to the wrong person (idiom)
  3. to confuse one thing with another

CHARACTERS

张 zhāng stretch, extend, expand; sheet
冠 guān cap, crown, headgear
李 lǐ plum; judge; surname
戴 dài wear on top; support