ひえこむ

冷え込む
to get colder
to get chilled

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ひえこむ【冷え込む】

it gets [grows] cold(er); it is (more and more) chilly.

●今夜は冷え込みそうだ. It looks as though it's going to be really cold [chilly, freezing] tonight. | We are going to have a really cold night.

・このところの天候不順で消費支出が冷え込んでいる. Consumer spending is down [depressed] as a consequence of the recent inclement weather. | The recent bad weather has depressed consumer spending.

・失政が景気を冷え込ませた. Mistaken policies have depressed the economy [made business conditions worse].

・米国と世界との関係がいつになく冷え込んでいる. Relations between America and the rest of the world are worse than ever before [at an all-time low].