red card
US /ˌred ˈkɑːrd/
UK /ˌred ˈkɑːrd/

1.
红牌
a red card shown by the referee to a player who has committed a serious foul, resulting in that player being sent off the field
:
•
The referee gave him a red card for a dangerous tackle.
裁判因为他危险的铲球给了他一张红牌。
•
Getting a red card means you're out of the game.
拿到红牌意味着你被罚下场。