◙ verb 1. [reporting verb] inform someone in advance of an impending or possible danger, problem, or other unpleasant situation • 警告 »[with obj.] his father had warned him of what might happen. 他父亲已经警告他可能发生的事情。 »[with direct speech] ‘He's going to humiliate you,’ John warned. ‘他将羞辱你，’约翰警告说。 »[with clause] the union warned that its members were close to going on strike. 工会警告说，其会员就要举行罢工了。 give someone forceful or cautionary advice about their actions or conduct • 告诫；提醒 »[with obj.] he warned the chancellor against raising taxes. 他告诫财政大臣不要提高税款。 »[with obj. and infinitive] they warned people not to keep large amounts of cash in their homes. 他们提醒人们不要把大笔现金放在家中。 »[no obj.] they warned against false optimism. 他们告诫不要盲目乐观。
【IDIOMS】
◘ warn someone off the course 1. [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
【派生】
♦ warner noun
【语源】
1. Old English war(e)nian, wearnian, from a West Germanic base meaning 'be cautious'; compare with ware
【PHR V】
◘ warn someone off 1. 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 advise someone forcefully against (a particular thing or course of action) • 告诫（某人）不要参与（某事或行动） »he has been warned off booze. 他已被告诫不要豪饮。