Now, from VOA Learning English, it's time for Words and Their Stories.

If this is your first time with us, this program explores words and expressions commonly used in American English. We take a look at where they come from and how best to use them.

So, as winter officially comes to half the world, today we celebrate an expression that means winter is coming.

When temperatures drop and a cold snap comes, that means one thing: Jack Frost has arrived!

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