"变得越来越冷" 用英语可以说 "getting colder and colder"。
来源：这是一个比较常见的表达方式，表示当前的气温或环境正在变冷。
例句：
It's getting colder and colder outside, I think I'll need to put on a jacket.
(外面变得越来越冷了，我想我需要穿上夹克了)
The weather forecast said it's going to get colder and colder next week.
(天气预报说下周会变得越来越冷)
As the night goes on, the temperature is getting colder and colder.
(随着夜晚的来临，气温变得越来越冷)