But do not make up information or provide facts or figures about which you are not certain. An honest "I dont know" or a very brief statement is more appropriate.

但不要捏造信息或使用你不了解的事实或数据，一句诚实的“我不知道”或一个简洁的声明会更合适。

youdao

Oh, sorry. I dont know the regulations. What should I do with them?

对不起，我不知道这个规定，那我该怎么处置它们呢？

youdao

I dont know how to do that.

我不知道该怎么打。

youdao

"I dont know if we will appeal - I will see what we can do about that, " said his club manager Arsene Wenger.

BBC: Fabregas and Brown charged by FA