idioms

    brain drain (a situation in which a large number of educated and highly skilled people leave their own country) The country suffered a huge brain drain to the United States during the Second World War. No one does anything to stop the brain drain, as more and more …

  a beast of burden (an animal that people use to carry or pull heavy things) People have been using donkeys as beasts of burden for thousands of years. One beast of burden is enough to pull the cart; there is no need to get another one. beast of burden …

  cat and dog life (an unhappy and full of quarrels life) Since the first day, he had been living a cat-and-dog life with his wife. Most couples have their ups and downs, but Sophia and Jack lead a cat and dog life. cat and dog life – English Vocabulary

  a bull in a China shop (someone who is very clumsy or makes mistakes) Luis is like a bull in a China shop; don’t let him near those sculptures. Sofia always breaks something when she is in the kitchen; she really is like a bull in a China shop. …

  a bird of passage (a person who never stays in the same place for long) He left for New York. He is usually a bird of passage. You can barely find him in one place. He is a bird of passage.   bird of passage– English Vocabulary