Trying to change his stubbornness is like moxibustion on a stone, it has no effect.

I plan to take my annual leave next week.

His health condition changed suddenly.

His health condition suddenly changed and he was immediately taken to the hospital.

The house was completely burned down by a sudden fire.

He is devoted to the study of the olfactory brain.

The rhinencephalon is a part of the brain related to the sense of smell.

He was called a useless young person and was abandoned by society.

They are working in sync, as if they are breathing together.

His pitching prowess is top-class nationwide.