張王李趙 [张－－赵]

Jyutping zoeng1 wong4 lei5 ziu6
Pinyin zhāng wáng lǐ zhào

Definitions (CC-CEDICT)
  1. anyone
  2. Mr Average
  3. any Tom, Dick or Harry
Definitions (Wiktionary)
  1. phrase, idiomatic
    Zhang, Wang, Li and Zhao (the four most common surnames)
  2. phrase, figuratively, idiomatic
    common people; people in general