当他十岁的时候,他失去了父母的翻译：When he was ten years old when he lost his parents 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

When he was ten, he lost his parents

When he was ten years old when he lost his parents

When he ten year-old time, he has lost the parents

When he was 10 years old, he had lost their parents

When he was ten years old when he lost his parents