Existing houses are becoming totally unfit for human habitation.

现存的房子正变得完全不适合人居住。

The recent survey found that 20 percent of rented dwellings are unfit for human habitation.

最近的调查发现，20%的出租屋并不适合人的居住。

The housing was unfit for human habitation.

这种住房不适合居住。

The house is fit for human habitation.

这房子适宜人居住。

Is it a house fit for human habitation?

这是幢适合于人居住的房子吗？