原原本本 [- yuán běn běn]give chapter and verse for; as exact as it is; exactly as it is; from first to last; find out all the details; from the very beginning to the end; (to tell) in detail from the very beginning; tell the real story; the whole story:
•¶ 我把这件事原原本本讲给他们听了。 I told them the whole story exactly as it happened.; I told them everything down to the smallest detail.