1. A difficult, intricate, or complex project, task, or artistic/literary creation requiring significant effort and skill
Building the bridge was a complicated work that took five years to complete.
A construção da ponte foi uma obra complicada que levou cinco anos para ser concluída.
2. A piece of art, literature, or music that is difficult to understand or appreciate due to its complexity
This is a complicated work by the modernist composer that challenges listeners.
Esta é uma obra complicada do compositor modernista que desafia os ouvintes.