The phrase "are ones case" typically refers to a situation where someone is responsible for their own choices or motives. Antonyms for this phrase could include "not my problem," "out of my hands," or "not my concern." These antonyms suggest a lack of responsibility or control over a situation, emphasizing a sense of detachment or disinterest. Other antonyms might include "somebody else's responsibility," "shared accountability," or "mutual concern." Each of these antonyms highlights a different approach to dealing with situations where one might ordinarily feel a sense of ownership or responsibility, offering alternative perspectives and strategies for addressing complex problems in the world around us.