一些重风格的导航条会看起来像横幅广告，所以小心使用那些元素。

Some heavily styled navigation items may look like banners, so be careful with these elements.

youdao

因为认识到一种规格并不能适合所有设备，所以小心地设计J2ME以在可移植性和可用性之间取得平衡。

Recognizing that one size does not fit all, J2ME has been carefully designed to strike a balance between portability and usability.

youdao

再警告一下对- exec的使用，尽管它很强大，如果使用的时候不小心的话你可能会覆盖你整个主文件夹或者整个硬盘-所以小心为上！

Another warning with -exec, though it is powerful, when used without care you can overwrite your whole home directory or whole disk - so be careful!

youdao

I love chemistry now. Be very careful what you say. Have any of you made that statement about hating a subject?

我现在很喜欢化学,所以你们说话的时候,可要小心咯？

麻省理工公开课 - 化学原理课程节选

So you have to drive carefully and expect delays, you know.

所以你要小心开车，要预料到时间会延误，你知道。

利用大众交通工具吧 - SpeakingMax英语口语达人

And I'll just point out here also, this is a conversion factor you'll use quite frequently -- many of you, quite on accident, will memorize it as you use it over and over again.

你们会经常用到，所以你们可能,会不小心记住它的值，但我们并不会在,任何考试中。

麻省理工公开课 - 化学原理课程节选