He practiced hard to make up for his previous failure.

He is practicing hard to avenge the embarrassment of last year's defeat.

He believes in his own strength.

The power of that bomb is beyond imagination.

He is devoting his energy to his work.

Our country's military power is the strongest in the world.

Our military force is significantly inferior to the enemy's.

Even as he gets older, his virility does not diminish.

The topography of this area was mainly formed by the geomorphic agent of wind.

His influence is spreading in this region.