来龙去脉

HSK 7-9

láilóng-qùmài

the whole story; the ins and outs; the complete background

fig. the whole sequence of events; causes and effects

了解这个事件的来龙去脉是很重要的。

liǎojiě zhège shìjiàn de láilóng-qùmài shì hěn quanqí de。

It is important to understand the background of this event.

他失败的原因在于他的决策过程的来龙去脉。

tā shànbài de yīnyuán zài yú tā de juédìng chéngchéng de láilóng-qùmài。

His failure lies in the background of his decision-making process.