His kindness is so great that it's unable to put into words.

I bought a new dustpan.

This is completely unexperienced for me.

This is my first experience, and I'm very excited.

The children were having fun playing a counting game in the park.

The children were playing a counting game in the park.

When summer vacation comes, children become engrossed in insect collecting.

When summer vacation comes, children enjoy collecting insects in the park.

In summer nights, mosquito repellent is necessary.

This procedure is very complicated.