He took a crazy action.

He is thought to be insane.

Her dress was iridescent, reflecting light and emitting beautiful colors.

He is really a forgetful person, always forgetting names.

His 'Nigimitama' (the part of the soul that's gentle in Shinto) makes him a calm person.

When I heard his name, his smile immediately came to mind.

Please keep this information in mind.

This information sank in immediately.

His eyeballs widened in surprise.

He is bright, so he was able to solve the problem immediately.