It was tempting to untie the twine from her waist and wander a little further, but the forest was too confusing.
Let's untie that knot in the elephant's trunk together!
Plus, there's no worry that your little one will untie his shoes while you're not looking.
The group must now untie all the knots that are in the rope.
My mind is a tangled knot I can no longer untie.