He is trying to mend his relationship with his ex-wife.

He was playing with the children.

When I caught a cold, I tried heat therapy.

He is immersed in the study of dialectical materialism.

He is deeply involved in the animal liberation movement.

My father works at a law firm in Tokyo.

A cooling device utilizing the principle of radiative cooling has been developed.

She was diagnosed with polycystic ovary syndrome.

We study every day to cultivate new skills.

He embraced her.