The idiom "it’s anyone’s call" means that the outcome of a situation or event is uncertain, and anyone could win or lose equally. It expresses the idea that there are no strong indications of who will come out on top in a particular situation, making it too close to call.

The idiom "arm in arm" means to walk or move together closely, usually holding hands or being physically close to one another. It can also refer to someone who is an intimate friend or confidant.

The idiom "go to the dogs" means to let things deteriorate or to go into decline. It can also mean to be willing to do whatever it takes to achieve a goal, even if it means taking risks or making sacrifices.

The idiom "break a leg" is commonly used to wish someone good luck, usually before a performance. It can also be used more casually as a way of expressing excitement or enthusiasm for something upcoming.

The idiom "match made in heaven" refers to a couple or pair that is considered perfect for each other, as if they were meant to be together. It often implies that the two people involved are compatible and share many commonalities.