a back-alley abortion

a backdoor scheme to lend money to selected businesses 把钱借给选定的企业的秘密计划

backroom political deals 幕后政治交易

backstairs deals 幕后交易

a backstreet abortion 非法堕胎

Nobody knows what goes on in a family behind closed doors.

These agreements have been drafted by officials behind the scenes. 这些协议是官员们秘密草拟的。

They were a shadowy secret society, whose activities were shrouded in mystery.

They managed to sneak the legislation in through the back door. 他们设法偷偷地设立了这项法规。

He was very cagey about his reasons for leaving. 他对自己离开的原因守口如瓶。

I've always been a closet science-fiction fan. 我私下里一直是个科幻小说迷。

conspiratorial activities 阴谋活动

a conspiratorial look/whisper/smile 诡秘的眼神/耳语/微笑

Detectives often use covert video surveillance. 侦探经常使用隐蔽的录像监视。

Arms exports were conducted secretly using front companies. 武器出口是利用公司的掩护秘密进行的。

a furtive glance 偷偷的一瞥

guarded comments 谨慎的评论

His execution was a hole-and-corner affair. 对他的处决是秘密进行的。

Any information given during the interview will be treated in the strictest confidence. 采访期间提供的任何信息都会被当作机密来处理。

Read closely and you will discover an inner meaning to his words. 仔细阅读你会发现他言辞中的隐秘含意。

I'd like to talk with you in private, if you don't mind. 如果你不介意的话，我想私下里和你谈谈。

In his heart he knew she was right. 他心里明白她是对的。

The magazine published intimate details of their affair. 这本杂志刊登了他们暧昧关系的隐秘细节。

In our business, you work on the need-to-know principle.

a non-committal answer 含糊的回答

He came to see me on the quiet to ask about Jill's health.

I'm supposed to be on a diet, but I still have the odd bar of chocolate on the sly. 我应该正处于节食期，但我还是偶尔偷偷地吃一点巧克力。

Get him on one side for a moment. 把他叫到一边谈一会儿。

We wanted to speak privately. 我们想私下里谈谈。

The videotapes were secretly recorded by the FBI. 录像带是联邦调查局秘密录制的。

shady deals/dealings 秘密的交易/交往

That was a bit sneaky of you! 你有点鬼鬼祟祟！

Zarry surreptitiously passed him the answer. 扎里偷偷地把答案递给他。

Mr Levin was charged with failing to protect top secret documents. 莱文先生被指控没有保护好绝密文件。

an undercover drug investigation 暗中进行的毒品调查

He had been a member of an underground resistance movement. 他曾经是地下抵抗运动的一名成员。

Left-wing activists were driven underground after the coup. 政变后左翼活动人士被迫转入地下。

underhand tactics to increase his power 增加他权力的狡猾手段

They sell pornography under the counter to customers. 他们偷偷卖黄色书刊给顾客。

The origins of the society are veiled in secrecy.