“a shot in the dark”别理解成“暗中射击”，真实含义是无根据的瞎猜；盲干。

【例句】
Our strategy is based on reliable information source. This is not a shot in the dark.
我们的策略是基于可靠的信息来源。这不是无根据的瞎猜。

The figure he came up with was really just a shot in the dark.
他得出的数字实际上只是瞎猜而已。