He went through great hardship to complete the project.

I love dishes made with cinnamon.

This is a genuine diamond.

His actions show genuine friendship.

She is receiving acupuncture treatment using gold needles.

The coastline has changed shape due to years of erosion.

The coastline is gradually changing its shape due to the erosion by waves.

He is proud to be a subject of the emperor.

The astronomers began observing the nova.

This experiment is conducted in a vacuum.