Hán dōng là yuè lǐ, yī jiā rén wéi lú ér zuò zuì wēnnuǎn.
In the coldest winter days, nothing is warmer than the family gathering around the stove.
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culture
腊月 is the 12th month of the lunar calendar (roughly January–early February), traditionally the coldest. The name comes from 腊祭, an ancient end-of-year sacrifice. This idiom is paired with it for emphasis.