例句：
1.Gunmen burst into his home and opened fire.
持枪歹徒闯入他家，开了枪。
2.She and her two daughters were held at gunpoint by a gang who burst into their home.
她和她的两个女儿被一伙闯入家中的.歹徒持枪挟持。
3.He burst into laughter, not hollow laughter now, but honest laughter.
他突然大笑起来，不是空洞的假笑，而是货真价实的笑声。