He has experience in a war campaign when he was young.

He is planning to enter active duty next year.

Based on my experience, that method is effective.

I like to experience new cultures.

He is still young, so he needs to learn a lot of things.

He is still young.

He is still young, and looking forward to his future life.

At that time, I was still a student.

Lately, the weather has been getting better.

At that time, he was still a student.