他走到她前面，挡住了她的去路。He stepped in front of her, barring her way.无论走到哪里，罗盘仍然指向北或南。You can go anywhere and still the compass points north or south.她走到窗前，拉起了百叶窗。She went to the window and raised the blinds....
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....