tip off
US
UK tip [sb] off vtr phrasal sep: informal (inform, warn)
SC 暗中通知某人
SC 暗中向某人透露消息
The police arrived at the party after somebody tipped them off.
有人向警察通风报信后，他们赶到了派对现场。
tip [sb] off to [sth], tip [sb] off about [sth] v expr: often passive, informal (inform, warn)
SC 暗中向某人透露某事
The informant tipped off the police about the planned drugs drop.
线人向警方透露了计划的毒品交易。
tip-off n: informal (hint, warning)
SC 暗中通知，暗中警告
SC 暗中透露消息
The building was evacuated after police received a tip-off that a bomb had been planted there.
大楼被疏散，因为警察收到消息，一枚炸弹安置在那里。
tipoff, tip off n: (in basketball) (篮球开球时的)
SC 跳球 tiào qiú
tap-off, tip-off n: (basketball: start with jump ball) (篮球)
SC 跳球 tiào qiú