elaborate

/iˈlæb.ər.ət/

containing a lot of careful detail or many detailed parts

精心计划(或制作)的;详尽的;复杂的

They're making the most elaborate preparations for the wedding.

他们正为婚礼做极为精心周到的准备。

He came out with such an elaborate excuse that I didn't quite believe him.

他突然说了那么一大套理由，我不太相信他。