a.  详尽的；复杂的 ≈ intricate

a.  精心制作的 ≈ complex

v.  详尽说明；阐述 ≈  enlarge

• elaboration  

  n.  苦心经营，精巧

  n.  详细阐述

• elaborate patterns  精美图案

• elaborate telecommunications network 

  精密的电信网络

• No wonder it has become fashionable to denounce many universities as little more than elaborate con-tricks (骗术). 精心的骗术

• He said he had new evidence, but refused to elaborate any further.

  他声称有新证据，但拒绝进一步详细说明。

BrE /əˌbriːviˈeɪʃn/