A light-bulb moment is when you have a sudden realization about something. It's a moment of sudden inspiration, revelation, or recognition.

　　“电灯泡时刻”是指你突然醒悟的那一瞬间，指的是突然灵光闪现、受到启发，或者意识到什么的时刻。

　　Light-bulb moment is an event when one suddenly understands something even if the concept had been explained several times before.

　　有时一种概念之前已经解释了很多遍，但突然你就理解了，这就是“电灯泡时刻”。

　　例句： President-Elect Obama said that there was not a light-bulb moment when he decided to name Hillary Clinton as Secretary of State.

　　当选总统奥巴马说，他提名希拉里-克林顿出任国务卿，不是一时冲动，而是经过深思熟虑的。

　　Hey guys I just got an idea; yes I had a light bulb moment!

　　嗨伙计们，我刚想到了一个主意，是的这是“电灯泡时刻”!