the weather is good
如果天气好，我要去河里游泳。
If the weather is nice, I’m going to swim in the river.
如果明天天气好，我们就去野餐。
If the weather is nice tomorrow, we'll go on a picnic.
天气好啊
The weather is nice.
— 天使爱美丽 (2001)
是因为最近天气好吗
Is it because the weather has been nice lately?
— 分手的决心 (2022)