Speaking Vocabularies Cut it out!: stop it; stop doing that. Cut corners: to save money (to do something in the cheapest way). Couch potato: somebody who is lazy and inactive. Cold fish: an unfriendly person. To catch someone red-handed: to capture someone in the act. Crack of dawn: (a time) very early in the morning. Cost an arm and a leg: to be very expensive. Come down with: to become ill with a particular illness. Cant stand (someone or something): to hate or dislike someone or something very much. @AmEnglish #idiom #phrases #vocabulary 650 viewsGozal, edited 18:55