Relacionar Columnas COMMON IDIOMS IN ENGLISHVersión en línea A short list of common idioms in English. por kepa olaizola garcia 1 Take it easy. 2 When pigs fly. 3 Sleep on it. 4 Hit the nail on the head. 5 You can´t judge a book by its cover. 6 Break a leg. 7 Hit the books. 8 Costs an arm and a leg. 9 Piece of cake. 10 Let the cat out of the bag. Something is very easy. Something is very expensive. Something that is precisely right. You shouldn´t decide upon something based just on outward appearances. Something will never happen. Good luck. To study. Relax To think. To disclose a secret that was supposed to be kept.