He is writing a thesis on the theory of general relativity.

He always proactively suggests new ideas.

He left a mark on that project.

Let's meet later.

The traces of his work show how hard he has worked.

He is the inheritor of a large company.

My grandfather is from the generation of the burnt ruins, and I learned about the horrors of war from his stories.

My younger sister has atopy, and she needs special skincare.

He ran away because he couldn't bear the pressure from his family.

Mr. Atomori went grocery shopping.