[ C ] a small piece of paper, cloth, or metal, on which there is information, tied or stuck onto something larger标签，标牌

[ U ] a game played by two or more children in which one child chases the others and tries to touch one of them. This child then becomes the one who does the chasing.（儿童玩的）捉人游戏

[ C ] specialized language a phrase such as "he is" or "isn't it?", added on to a sentence for emphasis, or to turn it into a question, usually to get agreement or to check information附加强调语；附加疑问句

[ C ] a type of graffiti (= words and pictures drawn in public places on walls, etc.) that shows who has drawn it and that represents a signature （一种代表作者的）签名涂鸦

to put a tag on something给…贴上标签，给…挂上标牌

specialized computing to mark computer information to be processed in a particular way（计算机中以标识符）标示，标记