丫頭片子 [－头－－]

Jyutping aa1 tau4 pin3 zi2
Pinyin yā tou piàn zi

Definitions (Wiktionary)

noun, Northern-Mandarin, colloquial, derogatory, endearing
young girl (who is inexperienced and ignorant)

Jyutping aa1 tau4 pin2 zi2
Pinyin yā tou piàn zi

Definitions (CC-CEDICT)