Hardly had I got out of the house when it began to rain.我剛走出房子，天就開始下雨了。

　　It's damp and cold, I think it's going to rain.  空氣又冷又潮，我看是要下雨了。

　　Because it was raining, I was late.  是因為下雨了，所以我才遲到的。

　　The weather forecast says rainy days will come soon, and the temperature will fall down. 天氣預(yù)報說快下雨了，氣溫會下降。