The injury had shut the door on his chances of becoming a professional runner.这次受伤使他失去了成为职业赛跑运动员的机会。The golf tournament is a professional event.这项高尔夫锦标赛是职业赛事。Owens hit the jackpot in his first professional game with the Cowboys.欧文斯在加盟牛仔队后的第一场职业赛中便大获成功。