The secret was this: The real stone would feel warm, while ordinary pebbles are cold.

秘密是这样的：真正的石头是温暖的，而普通的石头是冷的。

youdao

Hillsden took a sip of tea, but it was stone cold.

希尔斯登呷了口茶，但茶都凉透了。

《柯林斯英汉双解大词典》

The soup was stone cold.

汤全凉了。

《牛津词典》

So, in the near future, you might wind up headed to your local Wells Fargo or Chase or Bank of America branch to exchange these scrips for stone-cold cash.

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In my lifetime, I went from stone cold broke to self-made millionaire because of capital gains.

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When the train stopped at a station in that country, the police dragged Narayana off the train and put him in a small eight-foot-by-eight-foot room with a cold stone floor and a hole in the corner that served as a toilet.

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