你可以具体解释一下这个概念吗？

Nǐ kěyǐ jùtǐ jiěshì yíxià zhè gè gàiniàn ma?

Can you concretely explain this concept?

你有具体的例子来说明一下吗？

Nǐ yǒu jùtǐ de lìzi lái shuōmíng yíxià ma?

Do you have specific examples to illustrate?

这个计划还没有具体安排。

Zhège jìhuà hái méiyǒu jùtǐ ānpái.

This plan has not been specifically arranged yet.