校园口语习语大全O-2:off the top of one's head 信口开河（mp3和文本下载)

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O-2:off the top of one's head 信口开河

A:Bob, can you tell me how many students passed the college entrance examination this year?
A:鲍伯，你能告诉我今年有多少人考上大学了吗？

B:Off the top of my head, I'm afraid I don't know.
B：不查的话，我也搞不明白。

A:Never mind. Well, can you tell me where I can get the information?
A:不要紧，你知道从哪里能查到有关的信息吗？

B:Maybe from the Education Daily.
B:《教育报》上也许会有。