那个房子着火了英语怎么说

如果您要说一个房子着火了，您可以说：

The house is on fire.
The house has caught fire.

这些短语是来自英语语言中常见的用于描述一个房子着火的词汇。例如：

I saw smoke coming out of the windows, and then I realized that the house was on fire.
We heard a loud bang, and then we saw flames coming out of the roof. The house had caught fire.

希望这对您有帮助。