He is learning how to use the tonfa, a traditional Okinawan weapon.

Nonogram is one of the brain training games.

He is a successful networker, introducing products to many people.

I use a fitness app to track my daily exercise.

This case is outside our jurisdiction.

Aya talked with her friend for a long time on the phone.

This area used to be a place where people gathered.

This pen is 15 centimeters long.

This pen is 15 centimeters long.

He enjoys netsurfing every day.