very easy to see or understand, very clear, crystal clear
We have photos of the earth from outer space that prove the earth is round. It's plain as the nose on your face!
very easy to see or understand, very clear, crystal clear
We have photos of the earth from outer space that prove the earth is round. It's plain as the nose on your face!
Wayne Magnuson. English idioms vocabulary. Словарь английских идиом. 2012