The idiom "by the skin of your teeth" means to escape from danger or a difficult situation by a narrow margin or just in time, often due to luck or chance. It is also used to describe someone who manages to achieve something with only minimal effort or skill.

The idiom "upper crust" refers to the wealthy or privileged class of society. It can also mean the best, highest quality, or most respected group of people.

The idiom "wine and dine" means to have a pleasant evening with food, drink, and good company. It can also mean to entertain or host someone for a meal, usually in a formal setting.

The idiom "part and parcel" refers to something that is an essential or indispensable part of a whole or something that is regarded as being included or inherent in something else. It can also mean someone who is involved or plays a crucial role in a particular situation.

"The benefit of the doubt" is an idiom that means to give someone the advantage or assume that they are innocent until proven guilty. It refers to a decision that favors or gives leniency to a person, even if there are doubts or uncertainties about their actions or motivations.