1、I don't think he meant that science is full of unpredictable or unknowable or supernatural forces.
我認為他并不是說科學是不可預測的、不可知的，或是超乎自然的力量。

2、The unknowable mysteries of life.
生活中種種不可知曉的奧秘

3、I had triumphed over others by dint of some unknowable charm.
我憑借未知的魅力征服過其他的人。

unknowable翻譯