Meaning: to give someone responsibility for dealing with something or making a decision about somethingSynonym: leave up to
- leave sth to sb You can write the article, but leave the proofreading to Ruth. She's very good at spotting errors.
- leave sth to sb Everyone made suggestions, but the final decision was left to the team leader.
In a jury trial, the final decision on whether the defendant is guilty or innocent is left to