1.
Well, I do not know really .
噢，我真的不知道。
2.
I'm sorry, I really don't know.
对不起，我真的不知道。
3.
"Deed I don't know, Aunt Polly;
“我真的不知道，姨妈。
4.
No, I don't know. I really don't know how many pens he has.
不，不知道。我真的不知道他有多少支钢笔。
5.
Mum laughed. @I really don't know,@ she answered,
妈妈笑了。“我真的不知道，”她回答道。
6.
I honestly don't know. Maybe she is, and maybe she isn't.
我真的不知道。她可能是，也可能不是。
7.
I really don't know why I'm always so foolish.
我真的不知道我为什么总是这样傻?
8.
I don't really know; I'm just guessing.
我真的不知道,我刚好要猜。
9.
I really don't know. are those yours over there?
我真的不知道。那边的那些是你的吗?
10.
I do not realize you is such a good cook.
我真的不知道你是这么好的厨师。
11.
Man: I do not know. It seemed that every single one is as bright as the other.
男人：我真的不知道，好像都是一样的亮。
12.
Really? I do not know .
真的？ 我还不知道。
13.
Really? I didn't know.
真的？我可不知道。
14.
I don't know your real name.
我不知道你的真实姓名。
15.
Don't kid me;I know you are not telling the truth.
不要哄骗我,我知道你说的不是真的。
16.
I am not guessing;I really know.
我不是猜测,我真知道。
17.
I do not know whether the news is true.
我不知道这消息是不是真的。
18.
I can't tell you (ie I can't find words to express) how happy I am.
我真不知道怎麽表达我的快乐.