" Marina, I said, " it's as plain as the nose on your face.

" 玛丽娜，我说，" 这显而易见啊。

This kid is guilty, pal. It's as plain as the nose on your face.

捐点钱做好事或许能让你觉得舒服点。

And that fact gives us this expression: " as plain as the nose on your face" .

" as plain as the nose on your face" （一目了然）。