毛頭毛腦 [－头－脑]

Jyutping mou4 tau4 mou4 nou5
Pinyin máo tóu máo nǎo

Definitions (Wiktionary)
  1. phrase, idiomatic
    rash; impetuous
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）