酒香不怕巷子深

jiǔ xiāng bù pà xiàng zi shēn

fragrant wine fears no dark alley (idiom)

quality goods need no advertising

酒

jiǔ

wine (esp. rice wine)

香

xiāng

fragrant

不

bù

no; not so

怕

pà

to be afraid

巷

xiàng

lane

子

zi

noun suffix, as in 椅子[yi3 zi5] "chair"

深

shēn

deep (lit. and fig.)