这些邮票是我父亲年轻时收集的。的翻译：These stamps were collected by my father when he was young. 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

These stamps are collected by my father was young.

These stamps were collected by my father when he was young.

These postage stamps are my father young when collects.

These stamps are collected by my father when I was young.

These stamps were collected by my father when he was young.