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