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.

I'm concerned about his attitude.

I can't rest easy until he comes back.

I'm very anxious until he comes back.

I can't rest easy when he doesn't come home.

He took a deep breath to calm himself down.