What's going on inside someone's body right now that caused a particular problem.

某人身体内此时此刻正在发生什么事情导致了某个特定问题。

The latter is a particular problem.

后者尤其高难.

For now we want to focus on one particular problem.

现在，我们希望专注在一个特别的问题上。

I have always had a particular problem with smudging .

我一直有一个具体的问题，与沾污。

Do you feel strongly about a particular problem or issue?

你有对于什么特别的问题或者项目有强烈的感觉吗？

We aren't focused on any particular problem, and we're not trying to solve any particular disease.

我们不专注于任何特定的问题，也没有尝试去解决任何特定的疾病。

A particular problem arose with the extensive references to particular machines, concentrators and flowsheets.

还有个问题，是关于原书中大量引用的一些设备、选厂和流程的实例。

Was there a particular problem that the language aimed to solve?

这一语言是否旨在解决一个特殊的问题？

An ad hoc committee = a committee set up to study a particular problem.

专门委员会（为研究某一专门问题成立起来的委员会）

More over, we may even get some practical suggestions for solving a particular problem.

而且, 我们甚至还可以从朋友那里获得实用的建议来解决特定的问题.