yè / lǐ / tū / rán / chuán / lái / yì / shēng / hú / shào / dà / jiā / lì / kè / ān / jìng / xià / lái

夜里突然传来一声胡哨，大家立刻安静下来。

A whistle suddenly sounded at night, and everyone immediately fell silent.