Her reasons for leaving were 'obvious'. = It's 'obvious' why she left.
You are stating 'the obvious'. Tell me something I don't already know.
Her doctor immediately noticed the 'obvious' signs of the disease.
(..) I'll tell you, in my experience, no unmanned aerial vehicle will ever trump a pilot's instinct, his insight, that ability to look into a situation beyond the obvious and discern its outcome, or a pilot's judgment. Colonel? Why not a pilot without the plane? Look who fell out of the sky. (..)2008 Iron Man