warn off

英 [wɔːn ɒf]

美 [wɔːrn ɔːf]

警告…离开; 告诫…停止做…

柯林斯词典

PHRASAL VERB 警告(…)离开;告诫(…)停止(做…)
If youwarnsomeoneoff, you tell them to go away or to stop doing something because of possible danger or punishment.
1. The police warned the intruder off...
  警察警告闯入者离开。
2. He pressed for a full investigation, but was warned off...
  他迫切要求展开全面调查，但是被叫停。
3. He spends his spare time visiting schools to warn pupils off drugs.
  他用自己的业余时间访问学校，告诫小学生远离毒品。

双语例句

He spends his spare time visiting schools to warn pupils off drugs.
他用自己的业余时间访问学校，告诫小学生远离毒品。
As a bonus, they may also warn off would-be thieves, who are sure to run screaming when they see your good taste in phone accessories.
作为奖励，他们可能还警告过想成为小偷，谁是一定要运行尖叫当他们看到在手机配件您的好品味。
Control and is able to automatically store, circularly display, forecast and warn the early fire, cut off power supply of conveyors and execute an effective fire-fighting as fire occurs.
该装置采用单片微机和多种传感器进行编程控制，能自动贮存、循环显示和早期火灾的预警、报警、切断输送机电源，并在火灾发生后实施有效灭火。
Some manufacturers warn against taking off the cap when the engine is hot and pressure in the cooling system is high.
某些制造厂商反对在发动机处于热态以及冷却系内压力依然较高时打开水箱盖。
As babies they use their glow to warn off predators but as adults they use the same phenomenon to attract mates.
萤火虫幼虫会利用他们散发出来的光芒警示天敌，但是成年后他们会用同样的方式来吸引异性。
The way things was scattered about we reckoned the people left in a hurry, and warn't fixed so as to carry off most of their stuff.
从东西凌乱散了一地来看，我们估计，人家是匆匆忙忙离开的，没有来得及定下主意把哪些东西带走。
He pressed for a full investigation, but was warned off
他迫切要求展开全面调查，但是被叫停。
The police have put up signs to warn people off this area.
警方已竖起了标示牌，告诫人们不要靠近这一地区。
In the fall Jean put a yellow collar around Frankie's neck to warn off hunters.
秋天时，琼给弗兰基套上个黄脖圈，告诫猎人不要猎杀它。
A study in the Proceedings of the Royal Society B finds that pigeon wing-flapping produces distinct whistles, which can warn flock-mates, when merely taking off or when actively escaping predators.
发表在《英国皇家学会学报B》杂志上的一项研究发现，鸽子震动翅膀的时候能产生特别的呼啸声，这可以用于警告它的同伴什么时候仅仅是起飞或者什么时候逃离它们的敌人。