I am amazed at his keen observation skills.

He took the sharp weapon in his hand and advanced towards the enemy.

His knife is very sharp.

He was sliding on the snow with a sleigh.

The children were playing with a sled on the snow.

He slid on the snow with a sleigh.

Numerous '䯂' are drawn in this picture.

We slid through the snow in a horse-drawn sleigh.

I go jogging every day.

I am studying Japanese.