Relacionar Columnas LanguageVersión en línea Idioms por Fernando T. 1 Cost an arm and a leg 2 In hot water 3 My blood is boiling 4 A piece of cake 5 It’s raining cats and dogs 6 A couch potato 7 I am under the weather 8 Hit the sack 9 Butterflies in my stomach To be in difficulties Very expensive A person who doesn’t have an active life Something that you say when it is raining heavily Go to sleep! Very easy! I am very angry! I am sick! Nervous and anxious