blood is shed
1. People are killed as a result of violence. It will be a tragedy if any blood is shed—if even one person is killed or injured.
2. Trouble or problems are caused. Everyone is complacent now, but if blood is shed and layoffs start happening, it will be another story.
blood is shed
or blood is spilled
LITERARYCOMMON
1. If blood is shed or blood is spilled, people are killed in fighting. So much blood has been shed in this conflict. Angry words have passed between both sides, but so far no blood had been spilt.
2. If blood is shed or blood is spilled when change happens, suffering or trouble is caused. A good deal of political blood was spilled over the deficit reduction package.