tip-off
noun /ˈtɪp ɒf/
/ˈtɪp ɔːf/
(especially British English) (North American English usually tip)
(informal)- secret information that somebody gives, for example to the police, to warn them about an illegal activity that is going to happen or has happened
举报；密告；线报 - The man was arrested after an anonymous tip-off.
有人匿名举报后，那个人被抓了起来。 - Customs officers had received a tip-off about a shipment of cocaine.
海关关员接获了关于一批可卡因的密报。 - He was arrested after a tip-off to police.
警方接获密报之后逮捕了他。
- The man was arrested after an anonymous tip-off.