1. After struggling for a year, I saw the light and went back to school.
    在挣扎了一年后，我终于明白过来，重回校园。

2. After his explanation I saw the light.
    经他解释后我领悟了。

1. 恍然大悟：see how the wind blows 观察风向;了解情况 | see the light 恍然大悟 | Second thoughts are best 慎思为佳

2. 看見光明：A. MASS HYSTERIA 歇斯底里大崩潰 | B. MODERN WORLD 現代世界 | 18. SEE THE LIGHT 看見光明

3. 公共查询·英语单词大全

3. 理解明白：save one's bacon 救人于难 | See the light 理解明白 | Multitasking 没注意

4. 构想出或公开：sth. come to light 为人所知 | see the light 构想出或公开 | jump the lights 闯红灯

1. change for the better

    e.g. The lazy student promised to reform
           the habitual cheater finally saw the light

    Synonym: reformstraighten out