kǒu kou shēng shēng
to keep on saying (idiom); to repeat over and over again
Hǎi kǒu Shì
Haikou prefecture-level city and capital of Hainan Province 海南省[Hai3 nan2 Sheng3]
shēng kou
animals used for their physical strength (mules, oxen etc)
beast of burden
rán kou
artificial beard worn by Chinese opera actors