shot in the dark
瞎猜；盲目嘗試
口語·描述盲目猜測
英文釋義
an attempt or guess that is made without any knowledge or evidence; a guess that is based on random chance or luck
例句
I had no idea what the answer was, so I took a shot in the dark and guessed C.
典故來源
源自射擊場景，在黑暗中盲目開槍，比喻毫無把握的嘗試或猜測。