张 ㄓㄤ zhāng 僧 ㄙㄥ sēng 繇 ㄧㄡ ˊ yóu 張 ㄓㄤ zhāng 僧 ㄙㄥ sēng 繇 ㄧㄡ ˊ yóu Zhang Sengyou (active c. 490-540), one of the Four Great Painters of the Six dynasties 六朝四大家