When I was a student, my digs were so bad that you would not even make a dog live in them.
当我还是个学生的时候我住的地方非常糟糕，甚至狗都不会住在那里。
2
The dog smells bad.
狗身上的味道很难闻。
3
Most expressions in Chinese about the dog, for example, "a homeless dog", "a mad dog", "a running dog" and "a dog catching a mouse", have bad meanings.