He reflected seriously on his actions.

Yesterday, the school was closed due to a severe blizzard.

He was born blind.

He is a blind pianist.

He wrote his name with a calligraphy brush.

In that war movie, vigorous bombings were frequently depicted.

We bombed the enemy's base vigorously.

He has a lot of hair, so he seems warm even in winter.

Polychaete worms play an important role in the seabed ecosystem.

I think his claim is completely groundless.