当他们在下棋时，我在读一部 BOB 写的的翻译：When they are playing chess, and I was reading a novel BOB 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 they play chess, I was reading a novel written by bob

When they are playing chess, and I was reading a novel BOB

When they when plays chess, I am reading the novel which BOB writes

When they are playing chess, when I read a BOB write fiction

When they are playing chess, and I was reading a novel BOB