глагол затруднять, осложнять, усложнять Например: to complicate matters — запутать, усложнить дело
I. adjective Etymology: Latin complicatus, past participle of complicare to fold together, from com- + plicare to fold — more at ply 1. complex, intricate 2. conduplicate II. transitive verb (-cated; -cating) 1. to combine especially in an involved or inextricable manner 2. to make complex or difficult 3. involve; especially to cause to be more complex or severe Example: a virus disease complicated by bacterial infection