底细的英文：
exact details

参考例句：

No Big talk with me. I have your number
别跟我瞎吹了,我又不是不了解你的底细

Ah, you little boy, you want to poke my privacy?
哈，你这个小东西，想要刺探我的底细？

Why didn't you give the Bottom line right away?
你为什么不一下子就把底细告诉我呢？

"However, winning as his appearance was, it was difficult to tell what lay beneath."
"看其外貌最是极好,却难知其底细."

I should make a few discreet enquires about the firm before you sign anything.
我应该先审慎打探一下这家公司的底细,然后您再签字.

If that chest were open, or if it could speak, it might let us into his whole history.
要是能把那只箱子打开，要是箱子能说话，它就会帮助咱们了解他的底细。

People said that he resembled Byron, - at least that his head was byronic
关于福克先生的底细，人们只知道他是一位豪爽君子，一位英国上流社会里的绅士，其他就一点也不清楚了。

exact是什么意思：
adj. 精确的；严谨的；精密的
v. 要求；强迫

The authority has no exacting responsibility.
（授予的）职权没有明确责任。

What's the exact count?
确切的总数是多少？

The task proved to be exacting.
这项任务结果是很艰巨的。

They haven't totalled the exact figures.
他们还没有对确切数据进行总计。

She' s a very exact person.
她是个一丝不苟的人。

details是什么意思：
n. 细节，详情；细枝末节，琐事；细部
v. 详述；选派；画详图

elevation detail
立面细部

The devil is in the details.
细节决定成败。

A particular detail or circumstance.
详情详尽的细节或情形

The announcement gave no details of the meeting.
公告没有谈会议的详细情况。

Have you been circulated with details of the conference?
你收到会议详情的通知了吗？