If it's a legal matter you need to seek professional advice.

如果这属于法律问题，你就需要进行专业咨询了。

That's not a legal matter. That would be one solution.

这不是法律问题，这将是一个解决方案。

Do you mind if I pick your brains on a minor legal matter?

我想向你讨教一个小小的法律问题，行吗？

This may involve medical diagnosis and prescription, resolving fiscal or legal matter.

这包括医疗诊断和处方，解决财政和法律的事情。

If you're involved in a legal matter, you might experience delays or need to revise agreements.

如果你正涉及法律事件，那你可能要经历延期或需重新订立协议。