wǒ / yuán / yǐ / wéi / bǐ / sài / huì / hěn / shùn / lì / qǐ / liào / bàn / lù / xià / qǐ / le / dà / yǔ

我原以为比赛会很顺利，岂料半路下起了大雨。

I thought the competition would go smoothly, but who would have expected heavy rain halfway through?