441. This was the moment when... 就是那个时候……
This was the moment when the earthquake happened.
就是那个时候发生了地震。
This was the moment when I realized that I need to improve my oral English.
就是那个时候我意识到我需要提高我的英语口语水平。
This was the moment when I realized that I was cheated.
就是那个时候我意识到我被骗了。