摸不著頭腦 [－－－头脑]

Jyutping mo2 bat1 zoek6 tau4 nou5
Pinyin mō bù zháo tóu nǎo

Definitions (Wiktionary)
  1. phrase, idiomatic
    to be unable make head or tail of something

摸不著頭腦 [－－－头脑]

Jyutping mo2 bat1 zoek6 tau4 nou5
Pinyin mō bù zhù tóu nǎo

Definitions (粵典–words.hk)
  1. 語句、書面語
    諗​極都​諗​唔​明
    to have no idea about something; to be confused; (lit.) not able to touch the brain
    • 我真係對佢做嘅嘢摸不著頭腦。
      我真系对佢做嘅嘢摸不著头脑。
      ngo5 zan1 hai6 deoi3 keoi5 zou6 ge3 je5 mo2 bat1 zoek6 tau4 nou5.
      I have absolutely no idea why he did that.

摸不著頭腦 [－－着头脑]

Jyutping mo2 bat1 zoek6 tau4 nou5
Pinyin mō bu zháo tóu nǎo

Definitions (CC-CEDICT)
  1. to be unable to make any sense of the matter
  2. to be at a loss
Examples (粵典–words.hk)
  1. Cantonese
    我真系对佢做嘅嘢摸不著头脑。
    我真係對佢做嘅嘢摸不著頭腦。
    ngo5 zan1 hai6 deoi3 keoi5 zou6 ge3 je5 mo2 bat1 zoek6 tau4 nou5.
    • I have absolutely no idea why he did that.