土牛木馬 tǔ niú mù mǎ

DEFINITIONS

  1. clay ox, wooden horse (idiom); shape without substance
  2. worthless object

CHARACTERS

土 tǔ soil, earth; items made of earth
牛 niú cow, ox, bull; KangXi radical93
木 mù tree; wood, lumber; wooden
馬 mǎ horse; surname; KangXi radical 187