放fong3蛇se4

English

1. a sting operation (used by undercover police to approach the target)
2. to conduct a sting operation; to conduct an undercover investigation; literally "to release snake"

粵語 — Cantonese

1. 喬裝（扮成另一個身份）去搜集證據，通常用於警察或者記者

Examples

• 警察放蛇冚咗呢個賣淫集團。

  The police cracked down this prostitution ring with help from undercover officers.