沒頭腦 [没头脑]

Jyutping mut6 tau4 nou5
Pinyin méi tóu nǎo

Definitions (Wiktionary)
  1. adj
    simple-minded; muddled; foolish
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    没头脑和不高兴做了什么事？
    沒頭腦和不高興做了什麼事？
    méi tóu nǎo hé bù gāo xìng zuò le shén me shì ？
    • What did Brainless and Unhappy do?