他把来龙去脉讲清楚了。
He explained the whole story clearly.
(lit.) the rise and fall of the terrain (idiom); (fig.) the whole sequence of events; causes and effects
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
Nice writing!
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
他把来龙去脉讲清楚了。
He explained the whole story clearly.
先弄清事情的来龙去脉。
First find out the ins and outs of the matter.