英语翻译：这是个秘密，我不能告诉你

It is a secret, so I can't tell you.

The topic had been changed just before making it public. Because I've got two exams on my majors today, I run out of time. So that is why I used a previously prepared one(topic).

1 这是个秘密，我不能告诉你
I am afraid that this is a secret that I would have to keep from you.

2 临近发表的时候才更改主题，我今天还有两门专业课的考试，没时间准备，所以就用原来准备的做了
I didn't expect the theme to be changed right before publishing. As I will have to get dedicated to preparing for the examinations of the two academic courses tonight, I just used the original draft.

it's confidential ,i can not talk about it!
i changed the theme at the last minute of publishing it. today i have two tests on compulsory subjects ,which has left me little time to prepare.so i'm going to use my original one .

I can't tell you because it's a secret