suppression
n[U]
suppressing or being suppressed 制止; 镇压; 查禁; 抑制
the suppression of a revolt, the facts 对叛乱的镇压、 对事实的隐瞒
the suppression of one's anger, etc 抑制愤怒.
Perhaps in those days I was. Pierre and I did have a very good time at the ball. But that was the last moment of happiness in our lives. That night everything changed.