家徒四壁的英文：
[Literal Meaning]
home/only/four/wall
to have nothing but the bare walls in one's house

[解释]
家里只有四面的墙壁。形容十分贫困，一无所有。

[Explanation]
to be utterly destitute

[例子]
自从父亲生病以后，他家徒四壁，只能靠亲戚和朋友的帮助生活。

[Example]
Since his father fell ill, he has become utterly destitute and can only live on his relatives and friends.

[英文等价词]
as poor as a church mouse