英语

    If you require some information you can say: (来源：英语麦当劳－英语学习门户 EnglishCN.com)

    Could you tell me if/when/how much/why...?

    I wonder if you could tell me...? (来源：英语博客 http://space.englishcn.com)

    I'd like to know... (来源：英语问答中心 http://ask.englishcn.com)

    I'd like some information about...

(来源：英语聊天室 http://chat.EnglishCN.com)

    If someone asks you for information you can reply: (来源：英语电影下载 http://bt.englishcn.com)

    As far as i know... (来源：英语麦当劳www.EnglishCN.com)

    Well,(in confidence,) i can tell you that... (来源：英语资料下载 http://download.englishcn.com)

    I'm afraid i don't know... (来源：英语图片 http://photo.englishcn.com)

    I've no idea,I'm afraid... (来源：EnglishCN英语博客基地)

    I don't have that information available just now,can i call you back? (来源：EnglishCN英语博客基地)

    I'm not sure,I'll have to find out,Can i let you know tomorrow? (来源：英语麦当劳www.EnglishCN.com)

    I'm afraid i can't tell you that,it's confidentail.

(来源：英语美食指南 http://food.englishcn.com)