「來龍去脈」,漢語成語,本指山脈的走勢和去向,現比喻一件事的前因後果(cause and effect of an event),可以翻譯為「ins and outs,origin and development或whole story」等。
例句:
我不知道這件事的來龍去脈。
I don't know the ins and outs of the matter.
盧克從不告訴你事情的來龍去脈,但你總會弄明白是怎麼回事。
Luke never tells you the whole story, but you always get the picture.
她需要一份關於事情來龍去脈的報告。
She wanted a blow-by-blow account of what happened.