He is good at singing songs in head voice.

He is active as the young leader of this organization.

He instinctively scratched his head when faced with a difficult problem.

He scratched his head when faced with a difficult problem.

He is bright, so he was able to solve the problem immediately.

Before starting his new business, he said, 'A journey of a thousand miles begins with a single step.'

We adjusted our travel schedule according to Mountain Standard Time.

Early detection of cervical cancer is important.

His trilogy is very popular.

There is an old chabudai in my house.