matchstick figure
noun🔊/ˈmætʃstɪk fɪɡə(r)/
🔊/ˈmætʃstɪk fɪɡjər/
(British English) (also stick figure British and North American English)
a picture of a person drawn only with thin lines for the arms and legs, a circle for the head, etc. 人物线条画；简笔人物画 
