Choose the alternative which best expresses the meaning of the Idiom/Phrase.
To keep the wolf away from the door

To keep off starvation

The idiom "to keep the wolf away from the door" means to keep off starvation. It is an old English idiom that comes from the days when people were more likely to experience poverty and hunger. The image of the wolf represents hunger, and the door represents the barrier between the family and starvation.

The other options are incorrect. (2) To guard against wild animals does not capture the full meaning of the idiom. While it is true that people used to guard against wild animals, the idiom is specifically about keeping off starvation. (3) To guard against enemies does not capture the full meaning of the idiom either. While it is true that people used to guard against enemies, the idiom is specifically about keeping off starvation. (4) To keep aloof means to stay apart from other people, and it does not have anything to do with keeping off starvation.