He returned home in a running form.

What does this shape represent?

He roughly carved the wood into shape.

We traveled by boat to visit the volcanic island.

He is an expert in volcanology, studying volcanoes around the world.

Smoke is rising from the crater.

He knows that pain through his own experience.

He is feigning ignorance about that problem.

In order to understand his feelings, I had a deep conversation with him.

God only knows what he is thinking.