表示确凿不移的英文单词

“确凿不移”对应的英文单词有：beyond doubt、as true as a die、as true as steel、well established and irrefutable ，一共4个，具体意思及用法如下：

beyond doubt[常作插入语]毫无疑问，无疑地，不容怀疑；确凿不移

as true as a die绝对真实，非常老实；确凿不移

as true as steel绝对可靠

well established and irrefutable确凿不移