1. Be careful! Don´t drop it!
    小心点, 别摔了!

2. Be careful !That man is driving like a maniac !
    注意！那个人开车像个疯子一样！

3. Be careful!
    小心点！

4. But he would have to be careful not to offend Crass, the foreman, who could give him the sack at any time.
    但是他得小心，别冒犯了工头克拉斯，因为克拉斯随时都能解雇他。

5. We have discovered that he is quite careful in his work.
    我们发现了他工作很仔细。

6. The article deserves careful study.
    这篇文章值得仔细研究.

7. They went through the rooms, being careful to touch nothing,The chaos was inconceivable.
    他们走遍了各个房间，小心翼翼地不碰任何东西，紊乱状况是难想象的。

8. The experiment needed careful observation.
    这个实验需要细心观察。

9. They went through the rooms, being careful to touch nothing,
    他俩搜遍这每一个房间，小心翼翼地不接触任何东西，

10. Time is given to allow for careful development of answers.
    提倡对不同观点的验证和质疑。