虞世南 [ㄩˊ ㄕˋ ㄋㄢˊ; yu2 shi4 nan2] Yu Shi'nan (558-638), politician of Sui and early Tang periods, poet and calligrapher, one of Four Great Poets of early Tang 唐初四大家[ㄊㄤˊ ㄔㄨ ㄙˋ ㄉㄚˋ ㄐㄧㄚ; tang2 chu1 si4 da4 jia1] ◄ ►