1. 实际的；实用的
    The practical aspects of something involve real situations and events, rather than just ideas and theories.

    e.g. We can offer you practical suggestions on how to increase the fibre in your daily diet...
           我们能就如何增加你日常饮食中的纤维素量提供实际的建议。
    e.g. This practical guidebook teaches you about relaxation, coping skills, and time management.
           这本实用的旅行指南教给你放松的方法、处理问题的技巧以及如何安排时间。

2. （人）明智的，注重实效的，务实的
    You describe people as practical when they make sensible decisions and deal effectively with problems.

    e.g. You were always so practical, Maria...
           玛丽亚，你以前一向很注重实效。
    e.g. How could she be so practical when he'd just told her something so shattering?...
           他刚把这么令人震惊的事情告诉她，她怎么会如此理智呢？

3. （意见和方法）切实有效的，可行的
    Practical ideas and methods are likely to be effective or successful in a real situation.

    e.g. Although the causes of cancer are being uncovered, we do not yet have any practical way to prevent it...
           虽然癌症的病因正被逐步揭开，但我们尚未有任何切实可行的办法来预防它。
    e.g. It is not easy to make practical suggestions for helping her.
           要提出切实可行的建议帮助她并不容易。

4. （衣物等）实用的，适合特定用途的
    You can describe clothes and things in your house as practical when they are suitable for a particular purpose rather than just being fashionable or attractive.

    e.g. Our clothes are lightweight, fashionable, practical for holidays.
           我们的服装轻便、时尚，并且很适合度假时穿。

5. 实验课；实践课；实验考核
    A practical is an examination or a lesson in which you make things or do experiments rather than simply writing answers to questions.