a thing that is very complicated and difficult to follow 错综复杂的东西；晦涩费解的事 the bizarre convolutions of the story 那故事错综复杂的离奇情节
a twist or curve, especially one of many （尤指其中之一的）盘绕，弯曲 the convolutions of the brain 脑回
Word Originmid 16th cent.: from medieval Latin convolutio(n-), from convolvere ‘roll together’, from con- ‘together’ + volvere ‘roll’.