Sometimes blood means how a person feels inside. It often talks about being angry or full of energy.
He was quick to anger; had hot blood.
She showed her blood and fire in the game.
Blood can describe a dark red color. People often use it to talk about color like red wine or dark red items.
She wore a blood red dress.
The walls were painted blood color.
In informal use, blood can mean a person hurt or killed in a fight or battle. It shows the first or latest injured person.
The fight left many blood on the street.
He was the first blood in the tournament.
