chū / hū / yù / liào / de / shì / yuán / běn / qíng / lǎng / de / tiān / qì / xià / wǔ / tū / rán / xià / qǐ / le / dà / yǔ / 。出乎预料的是,原本晴朗的天气下午突然下起了大雨。Unexpectedly, heavy rain suddenly began in the afternoon despite the initially sunny weather.