god knows
只有上帝知道；無從得知；不得而知
口語·強調未知或不確定
英文釋義
Used to emphasize that one does not know or cannot guess something
例句
God knows where I left my keys, I've looked everywhere.
典故來源
源自基督教信仰，強調只有上帝知曉，人類無法得知。