red card

US /ˌred ˈkɑːrd/
UK /ˌred ˈkɑːrd/
"red card" picture
1.

レッドカード

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.
審判は危険なタックルに対して彼にレッドカードを出した。
Getting a red card means you're out of the game.
レッドカードをもらうと試合から退場になる。