My younger sister became a first-year senior high school student this year.

My younger sister is in her second year of senior high school, and she is busy studying every day.

Takaharu is my best friend.

Mr. Takaharu is my best friend.

My mother was a teacher at a higher elementary school.

My father has hypertension and has been prescribed medication by his doctor.

He participated in the Olympics as a high jump athlete.

He jumped high to clear the hurdle.

His esteemed teachings had a great impact on my life.

He has an advanced academic background, and his knowledge is extensive.