Je was op zoek naar: 更加难以预测 (Chinees (Vereenvoudigd) - Engels)

我们面临的威胁形势更加多样，更加隐密，更加难以预测。
the threats to our security are more diverse, less visible and less predictable.

2014年的情况如出一辙，但影响更为深刻，环境更加混乱，不公正加剧，更加难以预测。
the situation was the same in 2014, albeit in a more profound sense and in a more chaotic, unjust and unpredictable environment.

这东西主要是用来应对各种难以预测的法器和手段的
this thing is mainly used to deal with various kinds of difficult to calculate magical items and methods