翻译:汤姆说他看过这部电影,但要说到细节,他却一无所知。(come to)

Tom said he had watched this movie before,but when it came to more details,he knew nothing at all.

Tom said he had watched this movie,but he knows nothing when it comes to the details.

Tom says he had seen the film before,but when it come to the details,he knows nothing about it.楼主给追加几分吧,用手机回答的,不容易啊...谢谢