他明年14岁,是一个中学生了的翻译：He was 14 years old next year, is a middle school students 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

He was 14 years old next year, is a high school student of the

He was 14 years old next year, is a middle school students

His next year 14 years old, was a middle-school student

Next year he was 14 years old, a junior high school students the

He was 14 years old next year, is a middle school students