OK. If last minus first is greater than or equal to 2-- sorry, less than 2, then either look at this thing or look at that thing.

大于等于儿，抱歉，是小于二,看看这里或者那里,这就是我说的要特别小心的地方。

麻省理工公开课 - 计算机科学及编程导论课程节选

Anyway, you have to be careful with your motorcycle and always wear your helmet.

不管怎么说，你都要小心骑摩托车，记得一定要带着头盔。

I didn't 实战 - SpeakingMax英语口语达人

So what point, sorry, bad pun, what point am I trying to make here?

正确的我很小心的写下了这些，抱歉，说错了？

麻省理工公开课 - 计算机科学及编程导论课程节选

I have to be really careful when I said, "Add the lengths."

当我说"模长相加"的时候需要非常小心

耶鲁公开课 - 基础物理课程节选

Others might say, "I'm very careful, great driver."

有人可能会说，”我很小心，我是个好司机“

耶鲁公开课 - 心理学导论课程节选

Where you've got a couple of wishes and you aren't careful about how exactly you state the wish And so you get what you want ? but it ends up being a nightmare,right?

给你几个可以实现的愿望,但是不小心没说对愿望,你得到了自己想要的,却发现那是个噩梦对不对？

耶鲁公开课 - 死亡课程节选

And he said, "But Tal, you've got to watch out now."

他说“Tal，你现在要多加小心“

哈佛公开课 - 幸福课课程节选

And he said, "Tal, you'll have to be careful."

他说“Tal，你必须小心“

哈佛公开课 - 幸福课课程节选