have a good idea of

And I didn't have a good idea of how to actually do it.(而且我不知道如何去实际操作。)

If you already have a good idea of who you are, now is a good time to remind yourself of that image.(如果你已经很了解自己是谁，那么现在就是一个好的机会提醒自己这样的形象。)

If you have a good idea of how all these things work, you can probably start putting these things together into an engine.(如果此时你已经很清楚地知道怎样去实现这些东西了以后，或许就该开始着手把这些东西一起塞进一个引擎了吧。)

In order to apply the use case points method to the estimation of software effort estimation, it is important to have a good idea of its basic constituents.(为了对软件性能估算应用用力点方法，对它的基本组成有良好的了解是十分重要的。)

You should now have a good idea of what an ORM is, how to manage validation and table relationships, and how to swap out HSQLDB for the database of your choice.(通过本文，您应该很好地理解了什么是ORM、如何管理验证和表关系以及如何用自己选择的数据库替换hsqldb。)

Projected job openings are an important thing to onsider when choosing a career, but students should also have a good idea of their interests and abilities.(预计的职位空缺是选择职业时要考虑的一件重要的事情，但学生也应该对他们的兴趣和能力有一个好主意。)

If you have thoroughly planned your project, you will have a good idea of which packages you will need to meet some of the requirements.(如果您已经彻底地规划项目，那么您可以意识到需要什么包来满足需求。)

By now you may already have a good idea of what we're talking about.(现在，你可能已经明白了我们讨论的内容。)

You have explored floor plans and options, and have a good idea of what you want.(你摸索平面图及期权、有好的想法，你要什么。)

On the third reading you should have a good idea of the fundamentals of the case.(在第三次的阅读，你应该对于个案的基本认知有较好的想法。)