To be extremely anxious and worried, as if one's heart is burning.
心里急得象着了火一样。形容非常着急。
元·王实甫《西厢记》第一本第四折要看个十分饱。”金圣叹批心急如火，更不能待。”
She was waiting for the exam results, heart burning with anxiety.
Learn the next connected idiom: 心急如焚 (xīn jí rú fén) → 焚书坑儒 (fén shū kēng rú)
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