答：冷夜英文是cold night.例句：

1. It was nine on a cold winter night.那是一个寒冷的冬夜。

2.The most welcome sight on a cold, wet winter night in London is the familiar shape of a London taxi cab approaching with its yellow "for hire" sign shining brightly ．在一个寒冷潮湿的冬夜里,伦敦最受欢迎的景象是一辆熟悉的伦敦出租车驶近,黄色的"出租"标志闪闪发光。3.On a cold night they made a fire for warmth.寒冷的夜晚他们生火取暖。