a.

1. 旋绕的；回旋的
   Your convoluted logical reasoning is totally unacceptable to me.

   你这种扭曲的逻辑论证是我完全无法接受的。

1. convolute的动词过去式、过去分词

adj.

1. (especially of an argument, story, or sentence) extremely complex.
2. chiefly technical intricately folded, twisted, or coiled.