I'm afraid you haven't a very clear idea either.

恐怕你也不摸底。

Even many programmers don't have clear idea what they do.

甚至不少程序员对他们是做什么的都没有清晰的概念。

This section will give you a clear idea of how asynchrony works.

本节将阐明异步的工作原理。

Everyone has a clear idea of what communications need to occur to complete a task.

每个人都清楚地知道需要什么沟通来完成任务。

You can't move towards a goal unless you have a clear idea about what that goal is.

如果你不清楚你的目标具体是什么，你就没法接近它。