burst into tears 突然大哭起来，眼泪夺眶而出

burst 爆发；突发

tear 眼泪

过去式、过去分词形式不变，仍是burst

1. He burst into tears when he found out that his father had cancer. 当他发现他父亲得了癌症后，哭了起来。

2. She burst into tears when she saw her terrible grades. 当她看到自己糟糕的成绩时，突然大哭了起来。

3. I was so happy to see my family that I burst into tears.我看到我的家人太高兴了，就哭了起来。

burst out crying

4.The children burst out crying on hearing of the death of their dog. 孩子们听到他们的狗死了，哭了起来。