gāo yao
herbal plaster applied to a wound
Lǐ Guāng yào
Lee Kuan Yew (1923-2015), founding father of modern Singapore, prime minister 1959-1990
shān yao dàn
(dialect) potato
rube
yokel
gǒu pí gāo yao
dogskin plaster, used in TCM for treating contusions, rheumatism etc
quack medicine
sham goods