He is receiving treatment for inversion of the foot.

His foot is exhibiting inversion.

He likes to take a walk in the park at dusk.

He is undergoing training for extravehicular activity.

He engaged in an extravehicular activity from the spaceship.

She described the pain of a broken heart as tears.

I don't know a thing about him.

He emphasized his belief by saying, 'I believe in order to understand.'

He thoroughly researched the history of that nation.

He is a famous composer.