当医生很累，工作很辛苦的翻译：When the doctor was very tired, the work is hard 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 the doctor very tired, very hard work

When the doctor was very tired, the work is hard

When doctor is very tired, the work is very laborious

When the doctors are very tired, very hard work

When the doctor was very tired, the work is hard