moment

闪电的亮光持续了一瞬间。

The bright flash of lightning lasted only a ___moment.

我只需要一会儿就能完成这件事。

I just need a ___moment to finish this.

请稍等片刻，我马上回来。

Just wait a ___moment, I'll be right back.

在那一刻，他意识到自己犯了个大错。

At that ___moment, he realized he had made a huge mistake.

你此刻在做什么？

What are you doing at the ___moment?