have blood on one's hands

take matters into one's own hands

To deal with a problem alone instead of waiting on others (often perso …

have someone's blood on one's head

To be responsible for someone's death, pain, or misfortune.

have another think coming

To be deluded, to be mistaken; to need to rethink something one has de …

have another thing coming

Alternative form of have another think coming.

have at

To attack; to engage in combat with.

have second thoughts

To change one's opinion, or be uneasy about a previous decision.