dog tag

noun

1. （美国士兵挂在颈部的）身份识别牌
   a small piece of metal that US soldiers wear round their necks with their name and number on it

1. (美国士兵挂在脖子上的)身份识别牌
   Dog tags are metal identification discs that are worn on a chain around the neck by members of the United States armed forces.

1. He was wearing hip, dark-framed glasses and a dog tag around his neck with a Chinese dragon on it.
   他戴着新潮的黑框眼镜，脖子上挂着印有一条中国龙的军牌（俗称狗牌）项链。
2. The only way to get a dog tag from your adversary is by performing one of the new, brutal knife takedowns.
   只有这样，才能从你的对手狗标签是通过执行一个新的，野蛮的刀下架。

noun

1. metal plate on a dog collar bearing its registration number

2. military identification tag worn on a chain around the neck