The efficiency of this machine is very high.

He can play the Jew's harp well.

He traveled around the world in search of money.

He is working hard to pursue great achievement.

The empress dowager is living quietly in the palace.

He was watching the situation as a detached observer.

He is a proud citizen of Japan.

In ancient China, feudal lords had power in various places.

His high pitch fascinated the audience.

This bridge is made of steel.