It's common sense to dress more warmly when it gets cold.

天冷了要穿得暖一点儿，这是常识。

《新英汉大辞典》

It gets cold soon.

很快就要冷了。

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Soon, it gets cold. And, we wait some more.

很快，天变冷了。接着，我们又等了会儿。

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Why does water turn solid when it gets cold?

为什么水变冷时成固体？

耶鲁公开课 - 心理学导论课程节选

I mean, the weather is always nice. I mean, it never gets too cold, never gets too hot.

天气一直很好。不会太冷，也不会太热。

旧金山最棒 - SpeakingMax英语口语达人

Outdoor Sports Survival Season only exists in territory where it gets cold enough to freeze a beer at night.

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Given the different contractions of the two different metals as a result of the cold, when it gets cold enough iron cannonballs will fall off a brass monkey.

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The Frogg Togg is scarf shaped and sort of clammy, and when you run it in under cold water (or dip it) it gets cold and stays that way for awhile.

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