不为人知的意思 不为人知是成语吗

1. 表示“泄露；透漏；揭露”的动词（短语）

expose, reveal, disclose, uncover, leak, make … public, give … away, let slip

expose 揭露，揭发 尤指揭露丑闻、阴谋等不好的事。

The report exposes the weaknesses of modern medical practice. 报道揭露了现代医务工作的不足之处。

disclose 揭露，透露，公开（某事），尤指不为人知的或被隐瞒的事。

He refuses to disclose the identity of the politician. 他拒绝透露那位政治家的身份。

reveal 指揭露此前不为人知或隐秘的事，常可与 disclose 换用。

He revealed that he had been in prison twice before. 他透露自己曾两次入狱。

uncover 揭露，揭开，破获

Although the causes of cancer are being uncovered, we do not yet have any practical way to prevent it. 虽然癌症的病因正被逐步揭开，但我们尚未有任何切实可行的办法来预防它。

leak 透漏，泄露（政府机构的秘密给报纸、电视台等）

The contents of the email were leaked to the press. 电子邮件内容被人透漏给了新闻界。

give away （有意或无意地）泄露

Although they are pretending hard to be young, gray hair and cellulite give them away. 虽然他们费劲心思地扮年轻，但是花白的头发和赘肉将他们的年龄暴露无疑。

let …slip 无意中说出某事，泄露某事

He let it slip that they were planning to get married. 他说漏了嘴，说他们打算结婚了。

2. 表示“记得；记起；想起；回忆起”的动词（短语）

remember, recall, recollect, look back (on/to), think back (to/on)

【语境感悟】

As I recall, it was you who suggested this idea in the first place. 我记得，是你首先提出这个想法的。

I can&39;t recall meeting her before. 我想不起来以前曾经见过她。（后接动名词作宾语）

Looking back on it, I still can’t figure out what went wrong. 我现在回想起来，还是不明白什么地方出了问题。

She could no longer recollect the details of the letter. 她想不起那封信的细节了。

Thinking back, it amazes me how we survived on so little sleep. 现在回想起来我觉得很奇怪，那时候我们睡那么少竟然也挺过来了。

3. 表示“以前的，从前的”

former, previous, prior

former adj. 仅用于名词前面作定语。相当于前缀ex-: my former husband。还可以用作名词：the former（前者）, the latter（后者）。

prior= previous 通常作定语。

【短语】 prior to = previous to = before 在…之前

All the arrangements should be completed prior to your departure. 所有的安排都应在你离开之前完成。

4. 表示“粘贴”的动词

glue, stick (stuck-stuck)

Please glue /stick the stamp onto the envelope. 请把邮票贴在信封上。

I could feel my shirt sticking to my back. 指衣物等因出汗而粘在身上。