恍然大悟

suddenly be enlightened; take a tumble; tumble to

1. 我不知道汤姆爱上了玛丽，但当我看到他看她的神色时，我才恍然大悟。
   I hadn't realized that Tom was in love with Mary, but when I saw how he looked at her the penny finally dropped.
2. 她的笑话使我们一下子恍然大悟，于是我们哈哈大笑。
   Her joke suddenly clicked with us and we all laughed.
3. 我恍然大悟:他一直在撒谎。
   Then the scales fell from my eyes: he had been lying all the time.

恍的英语翻译：

然的英语翻译：

大的英语翻译：

悟的英语翻译：