The Macmillan Guide had forewarned me of what to expect.《麦克米伦指南》已经事先告诫过我会遇到什么情况。The commander had been forewarned of the attack.指挥官预先得到敌人要发动袭击的警告。To be forewarned is to be forearmed.事先得到警告即先有了准备....

forewarned的音标：...

v.预先警告，事先告知( forewarn的过去式和过去分词 )...