九曲十三彎 (gau2 kuk1 sap6 saam1 waan1) — nine bends thirteen curves, which means the way is really curvy in Cantonese
gauˊ²九kukˉ¹曲sapˍ₆十saamˉ¹三waanˉ¹彎简 九曲十三弯
Mandarin Pinyin: jiu3 qu1 shi2 san1 wan1
Meaning of 九曲十三彎
nounnine bends thirteen curves, which means the way is really curvy