Idiom Kitchen is a vibrant and engaging project that will introduce you to English idioms, teach you how to express your thoughts correctly and colourfully, and expand your vocabulary. Each episode will introduce you to an English idiomatic expression, its meaning, and how it is used in speech, using amusing and unexpected example sentences.. The idiom "under the weather" isn't used very often in English, but it can really add variety to your speech if you learn how to use it correctly with the help of this episode of Idiom Kitchen.