If you describe something as ice-cold, you are emphasizing that it is very cold.
例句
...delicious ice-cold beer...凉沁心脾、口感极佳的啤酒The water was ice cold and my hands were completely blue.水冰冷无比，我的手全冻紫了。
ADJ
冷漠无情的;冷若冰霜的
If you describe someone as ice-cold, you are emphasizing that they do not allow their emotions to affect them or that they lack feeling and friendliness.