如题所述
字面上来看是离事实（或真相）很远，实际意思应该是：不符合事实；远非事实。结合字面是比较好理解的。
可以再看2个例句：
It was obvious that much of what they recorded was far from the truth. 显然，他们所记录的很多根本不是事实。
Your account is far from ( being ) true / is far from the truth. 你所说远非事实。