icier , iciest
If you describe something as icy or icy cold, you mean that it is extremely cold.
An icy wind blew hard across the open spaces.
一阵寒风猛烈地吹过开阔的空地。
An icy road has ice on it.
The roads were icy.
道路都结冰了。
If you describe a person or their behaviour as icy, you mean that they are not affectionate or friendly, and they show their dislike or anger in a quiet, controlled way.
cold , frosty
His response was icy.
他的反应很冷漠。