abrupt turn

例句：

1. 1. The abrupt change in weather caught everyone off guard.
   天气的急剧变化让每个人都措手不及。
2. 2.The abrupt end of the meeting left us with no time to prepare.
   会议的突然结束让我们没有时间准备。
3. 3. The abrupt drop in prices has caused a lot of panic among consumers.
   价格的急剧下跌让消费者感到恐慌。