What is different about his paintings, in that era of playfulness in oil painting, is that he had already started to use the black lines of traditional Chinese painting to outline his human figures, lending them the solemnity of a Chinese portrait.
不同的是，在那個油畫還是時髦新玩意的時代，王悅之已經開始嘗試以中國國畫中黑色線條的特色來勾勒人物，使得畫作出現中國肖像畫的肅穆感。