hot可以用cold替换吗

不可以。

hot:

adj. 热的辣的热情的激动的紧迫的

adv. 热紧迫地

vi. 变热

vt. 增加给......加温The hot weather makes me very upset.

炎热的天气让我很烦躁。

The argument had hotted up considerably.

辩论变得相当热烈。

This girl is incredibly hot.

这个女孩非常性感。

Is the water hot enough for a bath?

洗澡的水够热吗

Is it hot outside?

外面热吗

It was scorching hot inside the greenhouse.

温室大棚里实在太热了。

cold:

adj. 寒冷的冷淡的，不热情的失去知觉的

n. 寒冷感冒

adv. 完全地I'm cold. Turn the heating up.

我觉得冷，把暖气温度调高一点。

Let's go in， it's getting cold.

我们进屋去吧，天冷了。

The room felt cold and sterile.

那房间让人觉得阴冷而没有生气。

Outside it was bitterly cold.

外面非常寒冷。

The cold water invigorated him.

冷水让他打起了精神。