天气的英文：
weather

Variable weather
易变的天气

The weather is jolly good.
天气不错。

Intemperate weather
酷烈的天气

Treacherous weather.
变化莫测的天气。

Indian summer
风和日暖的天气

What was the weather like yesterday in Sydney? -
昨天悉尼的天气怎样?

Bad weather hindered the military operation.
恶劣的天气妨碍了军事行动。

Unsettled weather.
尚未稳定下来的天气

despised the frigid weather in January.
厌恶一月份寒冷的天气

The hot weather made me feel lethargic.
炎热的天气使我昏昏欲睡。

Weather a crisis.
平安渡过危机

It depends on the weather.
这取决于天气。

The cold weather froze the lake.
寒冷的天气把湖冻住了。

The weather seemed favorable for the race.
这天气似乎很适合赛跑。

The rock is resistant to weathering and erosion.
这种岩石不易风化和侵蚀。