Been there, done that
Been there, done that
In the parlance of our time: Endurance training has already “Been there, done that” many times over.
House, Steve. Training for the New Alpinism: A Manual for the Climber as Athlete . Patagonia. Kindle 版.
「わかったからもういいよ」
(顔をしかめて)「わかったわかった!」