My favorite history book is 'Shiji'.

We will attend the graduation ceremony next week.

It's difficult to recognize his face.

Next week, we will hold a first anniversary Buddhist memorial service for my father at our home.

He is color blind and cannot distinguish between red and green.

The process of name resolution is very important in computer networks.

That unsolved problem keeps him awake at night.

That unsolved case keeps him awake at night.

There is a custom of eating rice cakes facing the favorable direction at the New Year.

This color has a high degree of saturation.