撓頭 [挠头]

Jyutping naau4 tau4
Pinyin náo tóu

Definitions (CC-CEDICT)
  1. tricky
  2. problematic
  3. difficult
  4. to scratch one's head (in puzzlement)
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    她挠了挠头。
    她撓了撓頭。
    tā náo le náo tóu 。
    • She scratched her head.