Ican stand tall or lie flat when i'm in usesometimes i spend long times in a dark, tight tubepeople can also measure me in inches.​

Joanne Rowling ( July  31, 1965) - an extremely popular English writer, the creator of  Harry Potter novel series (1997-2008) that was translatted into tens of languages, including Russian. The famous author has written may boos about the character of Harry Potter.
"Harry Potter" - is a popular series of novels of the British author Joanne Rowling. Every book expresses a year of life of the main character - a wizard-boy named Harry Potter. The first book was puiblished in England. Seven books have been written by now:
Harry Potter and te Philosopher's Stone
Harry Potter and the Chamber of Secrets
Harry Potter and the Prisoner of Azkaban
Harry Potter and the Goblet of Fire
Harry Potter and the Order of Phoenix
Harry Potter and the Half-Blood Prince
Harry Potter and the Deathly Hallows

To know your onions- знать своё дело, отлично разбираться в чём-л
When it comes to the cars,he really knows his onions.

To buy a lemon — купить что-то плохое по качеству
The people who had a new gadget have bought a lemon.

To put all your eggs in one basket-поставить все на одну карту,рискнуть всем
He lost his money because he had put all his eggs in one basket.

A big cheese-важная персона, большой начальник
His father is a big cheese in one of the international companies.

Bread and butter-средства к существованию, заработок
Teaching English is her bread and butter.