in blood Meaning: part of one’s genetic inheritance. Example: The whole family is good in business; it’s in their blood.
Meaning: be responsible for somebody's death
Example: This politician, who looks so successful and empathetic now has the blood of many people on his hands from the time that riots took place under his orders. Read on
blood, sweat and tears Meaning: a lot of effort and suffering. Example: Our national freedom is the result of over hundred years’ of blood, sweat and tears.
baying for blood Meaning: want somebody to be hurt or punished. Example: The victims’ families could be seen baying for blood of the assaulter’s during the trial.