/'frɒstɪ; [US] 'frɔ:stɪ; `frɔstɪ/
adj (-ier, -iest)
1 (a) very cold; cold with frost 严寒的; 霜冻的
*frosty weather 有霜冻的天气
* It's sunny, but the air is frosty. 虽然是晴天, 但空气很冷.
(b) covered with frost 结霜的
*frosty fields 结霜的田地.
2 (fig 比喻) cold and unwelcoming in manner; not friendly 冷若冰霜的; 不友好的
*a frosty look, response, welcome, etc 冷若冰霜的表情、反应、迎接等.

adj
a) extremely cold
　a beautiful frosty morning
　frosty air
b) covered with frost
　the frosty ground
unfriendly
= icy
frosty stare/look/tone
　He gave me a frosty stare.
　the frosty silence that followed her announcement
　My words got a frosty reception.
>frostilyadv