别傻了，你以为老外是在跟你谈“天气”？

和雨有关的谚语：

save for a rainy day

未雨绸缪

Eg.You should save some money for a rainy day!

你应该存些钱以备不时之需!

it never rains but it pours

不雨则以，一雨惊人

Eg.Just as the saying goes, it never rains but it pours.

正如俗话所说，祸不单行。

right as rain

身体健康，一切正常

Eg.After the treatment, he is as right as rain now.

经过治疗，他现在健康状况良好。

和云有关的谚语：

on cloud nine

飘飘然如上九重天

Eg.I'm on cloud nine today.

今天我心情好极啦!

head in the cloud

不切实际，好高骛远

Eg.you can't always have your head in the cloud，you need to be down-to-earth。

你不能总是好高骛远，你需要脚踏实地。

和彩虹有关的谚语：

chase rainbows

做白日梦

Eg.chsing rainbows won't get you anywhere。

做白日梦只会让你原地踏步。

和风有关的谚语：

sail close to the wind

冒险

Eg.The politician sail close to the wind in his speech against the government.

那位政客在发表反政府演说时差点触犯法律 。

know which way the wind blows

了解情况

Eg.It is as well to know which way the wind blows.

最好知道风吹往哪个方向;识时务者为俊杰。

和雪有关的谚语：

be snowed down

工作太多做不过来

Eg.I've been snowed down by my work!

我的工作太多了做不过来。

white as snow

纯洁无辜

Eg.They are as white as snow.

她们像雪一样洁白。

和天气有关的谚语：

fair-weather friend

只可共安乐而难共患难的朋友

Eg.She is not a fair-weather friend.

她是一个可共患难的朋友。