蒼蠅紙 [苍蝇纸]

Jyutping cong1 jing4 zi2
Pinyin cāng ying zhǐ

Definitions (Wiktionary)
  1. noun
    flypaper
    (syn.) 捕蝇纸, 胡蝇纸, 胡蠅黐, 捕蠅紙, 胡蠅紙, 胡蝇黐