The idiom "a house divided against itself cannot stand" refers to a situation where there is internal strife, conflict or division within an organization or group that leads to its downfall.

The idiom "vale of years" refers to a long period or duration of time, often used in a negative context to describe an enduring experience or situation that is difficult or unpleasant.

The idiom "give airs" means to behave pretentiously or to put on an air of superiority. It refers to someone who is behaving as if they are more important or capable than they actually are.

The idiom "raise the bar" means to set a high standard, improve something, or make something more difficult. It can also mean to exceed expectations or challenge oneself to do better.

The idiom "bird's eye view" refers to a comprehensive, objective, and impartial overview of something or a situation. It describes a perspective that provides all the necessary information needed to make an informed decision or solve a problem.