Example : I retrace the history that led people to see human nature as a dangerous idea, and I try to unsnarl the moral and political rat's nests that have entangled the idea along the way.

Example : He twisted his hands to untangle them, then he discovered my watch and started poking at the liquid crystal display behind the glass.

Example : I looked up at him to ask him to untwine his arms.

Example : Surgery is needed to untwist the cord and save the testicle.