我不知道湯姆愛上了瑪麗，但當(dāng)我看到他看她的神色時，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.
她的笑話使我們一下子恍然大悟，于是我們哈哈大笑。 Her joke suddenly clicked with us and we all laughed.
我恍然大悟:他一直在撒謊。 Then the scales fell from my eyes: he had been lying all the time.
