He messed up the dinner party.

His stories are always filled with highly refined humor, entertaining the listeners.

He is quick on his feet and always scores the first goal in soccer games.

Japan's coastal defense plays a very important role.

Several hundred years have passed since the beginnings of this region.

He dreamed of creating a new world.

Fishing is prohibited in this area of the sea because it is protected.

This machine needs amelioration.

We need to ameliorate this system.

I often go shopping on weekends.