They warn us about the storm.
他们警告我们关于暴风雨。
Doctors warn against smoking.
医生警告不要吸烟。
Parents warn their children daily.
父母每天警告他们的孩子。
Experts warn of global warming.
专家警告全球变暖。
Signs warn of slippery floors.
标志警告地板湿滑。
Teachers warn about cheating.
老师警告不要作弊。
Police warn against speeding.
警察警告不要超速。
Friends warn each other often.
朋友们经常警告彼此。
Signs warn of falling rocks.
标志警告落石。
They warn us to be careful.
他们警告我们要小心。
warn against
警告；告诫；告诫（某人）提防...
warn of
警告；警告众人
warn someone off
警告…离开；告诫…不得靠近；告诫…不要参与
warn someone off the course
禁止…参加比赛
warn off
告诫离开
第三人称单数: warns;
过去式: warned;
过去分词: warned;
现在分词: warning;
