get cold, cool off
このお料理も冷めちゃうわ!
This dish is going to get cold too!
— 魔女の宅急便 (1989)
冷めちゃう
It'll get cold.
— 万引き家族 (2018)
料理が冷めちゃうよ。
The food’s going to get cold.
「トム、ご飯冷めちゃうよ?」「ちょっと待って、今行く!」
“Tom, your food’s getting cold!” “Just a minute—I’m coming!”