sān bǎo tài jiàn
also written 三保太監|三保太监
Sanbao Eunuch, official title of Zheng He 鄭和|郑和[Zheng4 He2]
三
sān
three
宝
bǎo
variant of 寶|宝[bao3]
太
tài
highest
监
jiàn
(bound form) supervisor; supervisory office (in imperial China)
