「告密」

(pos:動詞)
<explanation>
yue:#告發 秘密嘅事
eng:to inform against somebody; to give secret information against somebody
<eg>
yue:佢決定向警方告密。 (keoi5 kyut3 ding6 hoeng3 ging2 fong1 gou3 mat6.)
eng:He decided to inform the police of someone's crime.