R晒頭 [－－头]

Jyutping aau1 saai3 tau4
Pinyin r shài tóu

Definitions (粵典–words.hk)
  1. 動詞
    諗​唔​到​解決​辦法​，​冇​頭緒
    to be completely lost in looking for a solution; literally: to scratch one's head through
  2. 參看
    𢯎晒頭