Definition: when you suddenly feel an emotion Level: C2
她突然感到一阵悲伤。
She felt a sudden ___wave of sadness.
当他数钱时，一阵羞耻和恐惧袭向贝特霍尔德。
As he counted the money, a ___wave of shame and horror hit Berthold.
一阵热情席卷了人群。
A ___wave of enthusiasm swept through the crowd.
