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

名詞
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
例:
•
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。
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