Winter is traditionally the dead season for the housing market.

冬天历来是住房市场的萧条季节。

《牛津词典》

Three of my four daughters were born in the dead of winter.

我生的四个女儿中，有三个是在隆冬出生的。

youdao

The ways deepe, the weather sharp, the daies short, the sunn farthest off…the very dead of winter.

路很远，天气很恶略，天还短，太阳在很远处下山了，死一般沉寂的冬天。

youdao

It was for them, as it is for us, difficult, in the dead of winter, to sometimes see spring coming.

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You may not be in Paris, but New York has everything you need for a romantic outing, even in the dead of winter.

BBC: Romantic winters of New York

By tapping that temperature, Fort Knox can keep cool on hot summer days and warm up in the dead of winter.

FORBES: Fort Knox's Buried Treasure