(Horse Racing)prohibit someone who has broken the laws of the Jockey Club from riding or running horses at meetings under the Jockey Club's jurisdiction(赛马)(因违反赛马俱乐部的规定)禁止…参加比赛
warn someone off
tell someone forcefully or threateningly to go or keep away from somewhere警告(某人)离开,告诫(某人)不得靠近
柯林斯高阶英汉双解学习词典释义
VERB
提醒;警告
If you warn someone about something such as a possible danger or problem, you tell them about it so that they are aware of it.