The gross attack that followed was brutal and unexplainable.

接下来就是不分青红皂白的粗暴殴打.

This must be a fundamental and unexplainable difference, like that between a lump and a statue.

这必然是一个基础上的、不可解释的不同，类似泥块和雕像。

These feelings are sudden, overwhelming and unexplainable, appearing during times of great need.

这些感觉会突然出现在紧急时刻，无法阻挡也无法解释。