bā shān shǔ shuǐ
mountains and rivers of Sichuan (idiom)
巴
bā
the east of Sichuan and Chongqing Municipality
山
shān
mountain; hill (CL:座[zuo4])
蜀
shǔ
short name for Sichuan 四川[Si4 chuan1] province
水
shuǐ
water
