甲之蜜糖,乙之砒霜

jiǎ zhī mì táng , yǐ zhī pī shuāng

one man's meat is another man's poison (idiom)

甲

jiǎ

first of the ten Heavenly Stems 十天干[shi2 tian1 gan1]

之

zhī

(possessive particle, literary equivalent of 的[de5])

蜜

mì

honey

糖

táng

old variant of 糖[tang2]

,

,

乙

yǐ

second of the ten Heavenly Stems 十天干[shi2 tian1 gan1]

之

zhī

(possessive particle, literary equivalent of 的[de5])

砒

pī

arsenic

霜

shuāng

frost