Antonyms, or opposite meanings, for the phrase "tries one's luck" could include giving up, avoiding risk, or surrendering. These antonyms suggest a lack of initiative, caution, or resignation to chance or fate. Rather than attempting something with an uncertain outcome, one may choose to play it safe or avoid potential failure. However, the concept of antonyms for "tries one's luck" is subjective, and could depend on various factors such as personal beliefs, cultural norms, or situational context. Ultimately, whether one is willing to try their luck or not is a matter of individual choice and perspective.