cool：n.凉爽，凉爽的空气；adj.凉爽, 冷静的，无所顾虑的，淡漠的；v.使冷，使镇定。cold：n.寒冷，[物]零下温度，伤风，感冒；adj.寒冷的，使人战栗的，冷淡的，不热情的，失去知觉的。

词语辨析

cold、cool、freezing、chilly、lukewarm、tepid

All these words describe sb/sth that has a low temperature. 以上各词均表示温度低。

cold

having a temperature that is lower than usual or lower than the human body; (of food or drink) not heated; cooled after being cooked 指寒冷的、冷的，（食物、饮料）凉的、冷的：

I'm cold. Turn the heating up.

我觉得冷，把暖气温度调高一点。

Outside it was bitterly cold.

外面非常寒冷。

a cold wind

寒风

hot and cold water

热水和凉水

It's cold chicken for lunch.

午餐吃鸡肉冷盘。

cool

( often approving ) fairly cold, especially in a pleasant way 指凉爽的、凉快的：

a long cool drink

一大口冷饮

We found a cool place to sit.

我们找了一个凉快的地方坐下来。

freezing

extremely cold; having a temperature below 0˚ Celsius 指极冷的、冰冻的、冰点以下的：

It's absolutely freezing outside.

外面冷得不得了。

I'm freezing!

我要冻僵了！

chilly

( rather informal ) too cold to be comfortable 指寒冷的、阴冷的：

Bring a coat. It might turn chilly later.

带件大衣，过一会儿天气可能会变冷。

lukewarm

( often disapproving ) slightly warm, sometimes in an unpleasant way 指微温的、不冷不热的、温吞的：

Her coffee was now lukewarm.

她的咖啡变得微温。

tepid

( often disapproving ) slightly warm, sometimes in an unpleasant way 指微温的、不冷不热的、温吞的：

a jug of tepid water

一壶温水