adj. 形容词（寒）冷的；冷酷的；冷色调的；真实的
n. 名词（寒）冷；感冒
adv. 副词突然；毫无准备地
The wind outside is extremely cold today.
外面的风今天特别冷。
She wore a thick coat because it was cold.
因为天气寒冷，她穿了一件厚外套。
Drinking hot tea helps when the weather is cold.
在天气寒冷时，喝热茶很有帮助。
The water in the lake felt cold to my feet.
湖水对我的脚来说感觉很凉。
He caught a cold after playing in the rain.
他在雨中玩耍后感冒了（得了感冒）。
The room was cold because the heater was broken.
因为加热器坏了，房间很冷。
She shivered as the cold wind blew past her.
当寒冷的风吹过她时，她颤抖了。
It is too cold to swim in the ocean now.
现在海水太冷，无法游泳。
They built a fire to stay warm in the cold.
他们生火以在寒冷中保持温暖。
Winter is coming, and the nights are getting cold.
冬天要来了，夜晚越来越冷。
cold feet 临阵退缩
cold snap 寒流
cold comfort 无济于事的安慰
cold turkey 突然戒掉
cold call 冷不防的电话
cold case 悬案
复数: colds;
比较级: colder;
最高级: coldest;
