He delivered the news with a shameless smile.

I think his behavior is completely shameless.

This coffee is sugar-free.

This painting is drawn in achromatic color, and its beauty stands out.

His rash actions surprised the people around him.

He is known for his rash actions.

I learned about anhydrides in chemistry class.

He was born with adactylism.

In Buddhism, the beginning of this world is considered to be eternal without beginning, called 'Mushi'.

I was really surprised by his inconsiderate behavior.