I should warn you in advance, we may not achieve our goal.
我得预先提醒你,我们也有可能实现不了我们的目标。
Before I tell you what I think of your problem, I should warn you that most readers under 40 (a few over 40) hold you in contempt.
回答你的问题之前,我应该提醒你,本报多数40岁以下的读者(和少数超过40岁的读者)都很鄙视你。
But the other approach, and the one that I should warn you I「m going to take this semester, in this class, is rather different.
而另一种方法,我要提醒你们,这个学期在这门课上,我的讲课方式将与平常不同。
I should warn you that I am one of those very disloyal purchasers.
我得说我是那种非常不忠实的顾客之一。
I believe you」re honest, but if you're not, I should warn you that I know how to use a gun.
我相信您是个诚实人,但是如果您不诚实,我可警告您,我也知道枪怎么用。
So, here I should warn you that there is a serious discrepancy between the usual intuitive notion of acceleration, the one that you are aware of when you drive a car and the one that we will be using.
在此我要提醒你们,它和直觉上的加速度是有很大差异,像你开着车的时候你感觉的加速度,和接下来我们要讲到的加速度。
Perhaps I should warn you that this city is full of con artists.
也许我该提醒你这座城市有许多骗子手。