巴頭探腦 [－头－脑]

Jyutping baa1 tau4 taam3 nou5
Pinyin bā tóu tàn nǎo

Definitions (CC-CEDICT)
  1. to poke one's head in and pry (idiom); to spy
  2. nosy
Definitions (Wiktionary)
  1. phrase, idiomatic, regional
    to pop one's head in and look about
    (syn.) 探头探脑, 探頭探腦