(pos:動詞)(label:俚語)
<explanation>
yue:#喬裝（扮成另一個身份）去搜集證據，通常用於警察或者記者
eng:to conduct a sting operation; to conduct an undercover investigation; literally "to release snake"
<eg>
yue:警察放蛇冚咗呢個賣淫集團。 (ging2 caat3 fong3 se4 kam2 zo2 ni1 go3 maai6 jam4 zaap6 tyun4.)
eng:The police cracked down this prostitution ring with help from undercover officers.
