The confidence is there, the game is there, but physically you can't fight nature sometimes. You can't do much about it.

The confidence is there, the game is there, but physically you can't fight nature sometimes. You can't do much about it.

自信是存在的，比赛是存在的，但在身体上，你有时不能与自然对抗。你对此无能为力。

-- Novak Djokovic 德约科维奇