It is difficult to solve this problem with the old method.

He is an excellent pilot.

He checked the weight of the box, whether it was heavy or light.

On New Year's Day, we fill tiered boxes with beautiful dishes and serve them to our guests.

He is practicing the nested reading of kanji.

I added his information to my address book.

Various wildlife live in this park.

My birthday is on the fifteenth.

My younger sister is seventeen years old.

This project is proceeding under rigorous supervision.