这个英语词组怎么讲?"a neat little job"

是的，应该是精致，精巧的意思

Your new car is a neat little job, isn't it?:

你这辆新汽车很精巧哇, 是吧?

make a neat job of it 干得利落

neat job: 利落的工作

一个整洁的小的工作.
也可以算是惯用语。
My friend has a neat little job.