rook.ie
n.(名词)Slang 【俚语】 An untrained or inexperienced recruit, as in the army or police.新兵:军队或警界中未受过训练或没有经验的新兵An inexperienced person; a novice.新生,生于:无经验的人;初学者Sports A first-year player, especially in a professional sport.【体育运动】 新队员:尤指第一年参加联赛的职业球队的新队员
来源:Perhaps alteration of recruit 可能为 recruit的变化