Subject：I cannot tell you the information off the top of my head.

迷你对话

A: I heard this weekend our company will send us to have a visit to Paris for business. Is it true.

我听说这个周末公司将派我们去巴黎出差，是真的吗？

B: I cannot tell the information off the top of my head. I will have to check it up.

我没办法立刻告诉你这个消息，我得核实一下。

地道表达

off the top of one’s head

1. 解词释义

Off the top of one’s head这个习语的意思是“没有经过仔细考虑或仔细计算”“不加思索”。

2. 拓展例句

e.g. She answered the teacher's question off the top of her head.

她随口回答了老师的问题。

e.g. I can't tell you the answer off the top of my head.

我不经考虑无法告诉你答案。

e.g. I don't know the exact number of people who have been invited but off the top of my head I should think there will be about forty.

我不知道被邀请者的确切人数, 但不用思索, 我认为会有40人左右。

e.g. I'll just have to give the speech off the top of my head.

没有时间写稿，我只好即席发言。

e.g. I stopped telling him stories and asking him strange questions that came off the top of my head.

我不再给他讲故事和问一些从我脑袋里冒出来的稀奇古怪的问题。

Ps 1：have a visit to somewhere的意思是”去某地参观，访问”。例如：

e.g. Next week I want to have a visit to Hongkong.

下周我想参观香港。

Ps 2：check something up的意思是“核实某事”。例如：

I have yet to check up some doubtful points.

我还得核实一些疑点。

He was careful enough to check up every detail.

他非常仔细,把每一个细节都核对过了。