严寒的英文：
frigid or bitter cold

参考例句：

A frigid climate
严寒的气侯

A frigid winter
严寒的冬天

siberian villages present a cheerful image in defiance of the harsh climate.
西伯利亚农村尽管气候严寒，却呈现令人欢悦的景象。

"Warm" Brand electric heater lets you feel warmer in the coldest days of winter.
“温暖”牌电取暖器，让您三九严寒倍感温馨。

Because of the intense cold, the subsoil of the tundra remains permanently frozen to a great depth.
由于严寒，冻土带的底层土仍然长久冷冻得很深。

The frosts of winter had ceased; its snows were melted, and its cutting winds ameliorated
冬天的严寒已经消除，雪已融化，刺骨的寒风也缓和了。

I live in the frozen North.
我住在严寒的北方。

last year's big freeze
去年的严寒期

The icy grip of winter
冬季严寒的破坏力

The flowers withered in the cold.
花朵在严寒中凋谢。

frigid是什么意思：
adj. 寒冷的；冷淡的；性冷淡的

a frigid glance, look, etc
冷淡的目光、 神情等.

The hand and lash that beat down frigid Rome?
那打得倒了冷淡的罗马帝国的手和鞭子？

My husband says I am frigid.
丈夫说我性冷淡。

bitter是什么意思：
adj. 苦涩的，有苦味的；难以接受的；憎恶的；严寒的
n. 辛酸，苦味，苦酒

The medicine is as bitter as gall.
这药像胆汁一样苦。

They have been racked by bitter quarrels.
激烈的争吵使他们不得安生。

The discussion deteriorated into a bitter quarrel.
这场讨论演变成了激烈的争吵。

cold是什么意思：
adj. 寒冷的；冷淡的；失去知觉的
n. 寒冷；感冒
adv. 完全地

Colds are catching.
感冒是有传染性的。

a cold unfriendly nod; a cold and unaffectionate person; a cold impersonal manner; cold logic; the concert left me cold.
冷淡、不友好的打瞌睡；冷漠、没有感情的人；冷漠的客观态度；冷静的逻辑推理；音乐会让我扫兴。

You catch a cold in summer when the air is not cold.
在夏天，天气不冷时，你也会感冒。