例句：
1.Gunmen burst into his home and opened fire.
持槍歹徒闖入他家，開了槍。
2.She and her two daughters were held at gunpoint by a gang who burst into their home.
她和她的兩個女兒被一伙闖入家中的歹徒持槍挾持。
3.He burst into laughter, not hollow laughter now, but honest laughter.
他突然大笑起來，不是空洞的假笑，而是貨真價實的笑聲。