'It's much colder than yesterday,' he remarked casually.

“今天比昨天冷多了。”他漫不经心地说。

《牛津词典》

Frost's Descent, the 18th solar term of the year, is the last solar term of autumn, during which time the weather becomes much colder than before and frost begins to appear.

霜降是一年中的第18个节气，是秋天的最后一个节气，在此期间，天气比之前变得更凉，开始出现霜降。

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In winter, it is much colder in the North than it is in the South.

冬天，北方的天气比南方冷得多。

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The Earth has been much hotter and much colder than it is now.

BBC: Looking for the greenhouse signal

International astronomers suspect it is a bare, icy, rocky world, much colder than the Earth and 13 times its mass.

BBC: NEWS | Science/Nature | Planet hunters find 'super-Earth'

Winds have been strong, in some cases blowing more than 70 kph (43 mph), which makes the wind chill much colder than the air temperature.

CNN: STORY HIGHLIGHTS