繞嘴 [绕－]

Jyutping jiu5 zeoi2
Pinyin rào zuǐ

Definitions (CC-CEDICT)
  1. hard to get one's mouth around
  2. a tongue-twister
Definitions (Wiktionary)
  1. adj
    hard to pronounce
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）