A shot in the arm是什么意思？

A shot in the arm Getting a grant from the Arts Council was a much-needed shot in the arm for the orchestra. Being nominated class valedictorian was a real shot in the arm for Sarah. The company made a loss for almost half a year, when they finally turned a profit it was a great shot in the arm. Meaning: You can say something is a shot in the arm if it gives a person or an organisation renewed energy or enthusiasm. Etymology: Related to the medical practice of injecting drugs into sick people. These injections are sometimes called "shots" and they are often administered into the arm. A tall order Jenny's dream of getting into Harvard University was a tall order, but she didn't give up. Getting kids to read 600-page books is a tall order these days, but the writer of the Harry Potter books has managed to do it. David needed to raise $200 for his holiday in Mexico, it was a tall order but he managed to do it. Meaning: If you say something's a tall order, you mean that it'll be hard to do or difficult to achieve. Etymology: This expression came from the time in the 1600's when all of the red tunics for the English New Model Army were made in the same. Anyone who was unusually tall and could afford it would make a 'tall order' to a tailor. The upper crust Laura said she was one of the upper crust but she kept borrowing money from me. David is very picky about his friends; most of them are all upper crust. Jenny is definitely one of the upper crust, you can tell from the way she dresses, the way she talks and the way she carries herself. Meaning: If you are one of the upper crust, you are a member of society's highest class. Etymology: Possibly related the structure of the earth. In the center of the earth you have the core, then earth's mantle and then the earth's crust. It is 'on the top' of the other two.