He is a very serious student.

I know this is sudden, but could you arrange a time for me to meet with the president?

He sneaked into the house in the middle of the night.

This book is no longer available anywhere.

He became good at playing the piano, and finally acquired the skill.

He was so ashamed of his failure that he wished he could crawl into a hole.

Due to the earthquake, cracks appeared in the wall.

This information sank in immediately.

His cooking skills are among the top five in the local area.

She wants to learn the technique of jianzhi (Chinese paper cutting).