沒譜 [没谱]

Jyutping mut6 pou2
Pinyin méi pǔ

Definitions (CC-CEDICT)
  1. to be clueless
  2. to have no plan
Definitions (Wiktionary)
  1. verb, colloquial, verb-object
    to be unsure; to be uncertain; to not have a clue; to have no idea
  2. adj, colloquial, of a person or thing
    unreliable; untrustworthy