例句：I used to trust him completely, but then I found out he was a snake in the grass. 另一个例子是‘snake eyes’。在美式英语和赌场用语中，它专指掷骰子时两个骰子都掷出了一点，因其形状像蛇的眼睛。这通常意味着好兆头不太好，例句：With a sigh, he watched as she rolled ...