给…警告(或暗示)

使…掉下来（tipoff的ing形式）

预先通风报信

向…提供内部消息

n.通风报信

ripping off───偷窃；扯掉；欺诈；剥削

topping off───[园艺]打顶

stripping off───脱衣；脱去；剥落

skipping off───偷偷溜走；悄悄溜掉

stopping off───涂保护层；补砂

copping off───逃走

lopping off───砍掉；缩短

popping off───n.溢放口；v.突然离去

ticking off───v.斥责，责骂

With these in hand, the thieves need only set up a bogus money transfer without tipping off the bank.───掌握了这些信息，这些盗贼可以不用惊动银行，只需要建立一个虚假的转移支付交易即可。

So it's a fine balancing act trying to gather evidence while not tipping off the buyers, he said.───他说，所以调查人员要精心权衡，在尝试收集证据的同时不能惊动其他买家。

Last November the agency charged a French doctor for allegedly tipping off a trader at a hedge fund about a death in a clinical drug trial.───去年十一月份证券交易委员会机构指控一个法国医生非法向一个对冲基金提供内幕消息，这是关于某个药物临床试验过程中导致一起死亡的消息。

Waiters and restaurateurs are forever tipping off the press so that when Cheung tries to leave a restaurant, a phalanx is waiting for her.───饭馆的侍应生和老板总会向媒体告密，所以每当张曼玉离开饭馆时，总有一群人在等候着她。

image. Cultivating contacts with tabloid journalists, even tipping off the tabloids to her whereabout.───用此提升自己理想中的形象。接触八卦报记者，甚至密秘报出她的行踪。

It's not an exact science, obviously, but something was tipping off the listeners.───当然了，这个实验并不非常科学，但是听的人的确是可以发现点什么的。

The North also helped build a complete nuclear reactor in Syria without tipping off Western intelligence.───朝鲜还在西方情报部门完全不知道的情况下帮助叙利亚建造了一个完整的核反应堆。

This time I had taken the precaution of tipping off the organizers in advance and swearing them to silence.

With these in hand, the thieves need only set up a bogus money transfer without tipping off the bank.