系统突然崩溃后，办公室里一片混乱。

Confusion ___reigned in the office after the sudden system crash.

在神秘的停电期间，恐惧笼罩着整个村庄。

Terror ___reigned in the village during the mysterious blackout.

在判决宣布前，一种令人不安的沉默笼罩着法庭。

An uneasy silence ___reigned in the courtroom before the verdict was announced.