Zhè / ge / jì / jié / de / tiān / qì / fǎn / fù / wú / cháng / zǎo / shang / hái / qíng / tiān / xià / wǔ / jiù / xià / qǐ / dà / yǔ

这个季节的天气反复无常，早上还晴天，下午就下起大雨。

The weather is changeable this season: it is sunny in the morning, but heavy rain starts in the afternoon.