"Skid row" is an idiom that refers to a place or situation where someone is down on their luck or experiencing hard times. It can also refer to a neighborhood or area known for its poverty, crime, and run-down buildings.

The idiom "you can't win them all" means that it is impossible to be successful or achieve everything you want, as some things are beyond your control. It is a reminder not to take success for granted and to recognize the limitations of what can be achieved.

The idiom "skeleton in the closet" refers to a hidden secret or shameful act that someone wants to keep hidden from others. It implies that there is something unpleasant or embarrassing about the information being withheld, and it could cause harm to the person if revealed.

The idiom "if you scratch my back, I'll scratch yours" is an expression used to convey that if someone does something nice for you or helps you out in some way, you will do the same for them.

The idiom "apples to oranges" means that two things are being compared that are not really similar or have nothing in common, making it difficult to make a valid comparison. It can also imply that a comparison between two things is unfair or unjust.