(as) plain as the nose on (one's) face phrase informal simile
Very clear or evident.
It's plain as the nose on your face that Peter is better educated and more intelligent than most other people. Why did you exclude him from the interview?
It's as plain as the nose on your face that Jane's lying. Don't believe in her.
The little boy is not happy here - it's as plain as the nose on your face.
A legal matter that is very easy to solve
State something in a very strong, clear and effective way
To be very obvious and easy to notice
1. Used to describe something very clear or transparent
2. Used to describe something very understandable, especially in an ironic way to mean the opposite