1. forewarn

1. Forewarned is forearmed.
    凡事预则立。

1. 预警：德尔福 提供低成本的前预警(Forewarn)红外线侧面警告系统,在车辆变道时出现的盲点提醒驾驶者. 当移动的车辆被探测到进入侧面盲点时,在侧面反光镜中会出现明亮的图标,发出视觉警报.

2. 公共查询·英语单词大全

2. 预先警告：forethought 预谋,预筹 | forewarn 预先警告 | foreword 序,前言,引言

3. 预知梦：花朵礼物 Flower Gift | 预知梦 Forewarn | 贪吃 Gluttony

4. 预先警告 (动)：forevermore 永远地 (副) | forewarn 预先警告 (动) | forewing 前翼 (名)

1. 预先警告;事先告诫
    If you forewarn someone about something, you warn them in advance that it is going to happen.

    e.g. 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。

2. forewarned is forearmed -> see forearmed

1. warn in advance or beforehand
    give an early warning

    e.g. I forewarned him of the trouble that would arise if he showed up at his ex-wife''s house

    Synonym: previse