His behavior is like a child.

His actions brought about a problem.

His words bring us new hope.

He surrendered in the game.

He finally surrendered after losing the match.

My younger brother is currently in his third year of high school, preparing for university entrance exams.

He is an expert in optics and has a deep knowledge of laser technology.

He is known for his scholarliness.

This high-priced painting is on display at the museum.

He saved money to buy that expensive painting.