I think the Japanese education system needs reform.

This plan needs to be revised.

My thesis was significantly revised based on the professor's advice.

We dream of a day when all people can enjoy world peace.

Kaito is my best friend.

He decided to start his own faction.

He was reassigned to the position of department manager.

Despite his efforts, he failed the exam.

His life has experienced a major alteration.

He decided to alter the plan.