(especially BrE) secret information given to the police向警方告密ADJECTIVE | VERB + TIP-OFF | PREPOSITIONADJECTIVE➤anonymous匿名舉報➤intelligence情報泄露▸➤telephone電話舉報VERB + TIP-OFF➤give sb向某人密報▸➤get, receive收到/接獲密報▸➤act on依照密報行事◇Acting on a tip-off, police raided the house.警方根據密報突襲了那座房子。PREPOSITION➤after tip-off密報之後◇He was arrested after a tip-off to police.警方接獲密報之後逮捕了他。➤tip-off about有關⋯的密報◇Customs officers had received a tip-off about a shipment of cocaine.海關關員接獲了關於一批可卡因的密報。