Did Nancy want him to tip off the irs confidentially?

南希是否希望他秘密地向国内税收局通个风？

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Workers are most likely to inform peers of uncomfortable situations such as undone zippers or bad breath and least likely to tip off their superiors, according to research released on Thursday.

本周四公布的一项显示，职场人士最有可能提醒同事如拉链“没关门”或口臭等难堪事，但却很少提醒此类“糗事”。

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The man was arrested at his home after a tip-off to police from a member of the public.

在警方收到一名平民的举报之后，这名男子在家被捕了。

《柯林斯英汉双解大词典》

What's a tip off to something being composite?

怎么能确定什么东西是合成的呢？

耶鲁公开课 - 死亡课程节选

You might ask though,is there some other behavior, something else that should tip us off,could tip us off, as to whether or not we really do or don't believe that we're going to die?

你可能会问，有没有其他行为，能够让我们突然醒悟，知道我们真正是否相信自己会死呢？

耶鲁公开课 - 死亡课程节选

It also allows it to tip off users to traffic jams, road construction and other obstacles.

FORBES: A Crowd-Sourced Navigation Service

Nott believes the paper was unwilling to tip off the public to the trick it was already using to obtain messages.

FORBES: Piers Morgan Attacks Critics, Calls Accuser Insane at Ethics Hearing

The newspaper says an emergency notice allegedly sent by authorities to tip off factories of upcoming undercover investigations by reporters is circulating online.

BBC: China media: Hacking denial