Word forms: comparative ballsier, superlative ballsiest
ADJ-GRADED (对某人或其行为表示赞赏)充满活力的,有胆量的 You can describe a person or their behaviour as ballsy if you admire them because you think they are energetic and brave. (对某人或其行为表示赞赏)充满活力的,有胆量的 [informal, approval]