悔不当初 Traditional 悔不當初 huǐ bù dāng chū 🔊 to regret one's past deeds (idiom) + Keep this word Meanings huǐ bù dāng chū 悔不當初 to regret one's past deeds (idiom) Its characters 悔huǐto regret; to repent不bùnot; noHSK 1当dāngto beHSK 4初chūat first; initiallyHSK 5