calling card

1. N-COUNT A calling card is a small card with personal information about you on it, such as your name and address, which you can give to people when you go to visit them. 名片[美國英語] [老式]

Don't forget to give your calling card to those you'd like to see again. 別忘了把你的名片留給還想再見面的人。

2. N-COUNT If you say that someone has left a calling card, you mean that they have left evidence that shows they have been in a particular place, especially at the scene of a crime. 在場證據

John was studying the medallion in the evidence bag – the killer's calling card. 約翰正在研究證據袋里的徽章–兇手留在犯罪現場的證物。