This problem is difficult.

He wrote the original plan for this movie.

He is doing special exercises to strengthen his dorsal interosseus muscle.

The palmar interosseus muscle is a part of the hand muscles and supports the movement of the fingers.

The plantar interosseus muscle is a part of the foot muscles and controls the movement of the toes.

He was delighted with the unexpected profit, saying 'When the wind blows, the cooper profits.'

The Great Eastern Japan Earthquake is one of the most damaging earthquakes in Japanese history.

He continued his journey to the west.

This offspring cannot yet be separated from its mother.

He cut the apple.