be careful

基本解释

But be careful--mine was so successful it's now mandatory on all our family vacations.
不过要小心——我的侦察跑是成功的，现在我家出门休假都要进行。
If your spouse helps people or touches them for a living, be careful -- you might be headed for a divorce.
如果你的伴侣从事的职业是帮助或者接触别人，小心了——你或许正在向着离婚迈进。
You are one fearless fish! But be careful -- remember, you can swim your own way, but don't forget it's your company's ocean.
你是一条无所畏惧的鱼，但是要小心——记住，你可以游自己的路，但是别忘记是在公司这个大洋里。

For example, read copies of a group's financial records and be careful of groups with names that sound like well-known charities.
So these strategies -- let's be careful here with the word weakly here -- these strategies are not weakly dominated in the original game.
所以这些策略,对于这里的弱一词,我们要谨慎对待,这些策略在原博弈中并不是弱劣势的
耶鲁公开课 - 博弈论课程节选
That's why it's all in French, because it's not copyrighted, and we have to be careful with that in here with these camera rolling--cameras rolling.
都是法文,因为没有相关版权,而且我们必须得特别小心,何况我们还在录像
耶鲁公开课 - 聆听音乐课程节选

But be careful--one technical glitch and this satellite imagery stock could fall out of orbit.
FORBES: In The Beltway Orbit: GeoEye