Learn these four English idioms: butterflies in your stomach, have a ball, in the blink of an eye and not my cup of tea. Learn the meaning of these useful idioms and master them by studying and reading aloud the example sentences. Also read the Idioms in Use text, which contains all four target idioms in a natural context. Leave a comment below and practice the idioms that you learned. Learn more by visiting me at www.SirEnglish.com