He is from the Hui people, a minority ethnic group in China.

It will take time to solve this problem.

He is working hard to figure out the mystery.

We will hold a cultural festival next week.

He tried to intervene between the two.

She likes collecting shells on the beach.

I am planning to remodel the old house.

Japan reformed its calendar in the fifth year of the Meiji era and adopted the Gregorian calendar.

Japan revised the calendar in 1873 and adopted the Gregorian calendar.

He dissected a frog in his biology class.