123456789101112131415Keywordto regretvexedregretfulnervousFrequency#3454Strokes15ReadingsàoMnemonic忄 (heart) gives the meaning and 奥 the sound.Stroke orderComposed of忄heart奥obscureUsed in vocabulary懊悔àohuǐto feel remorse; to repent; to regret懊恼àonǎoannoyed; vexed; upset懊àoto regret懊丧àosàngdejected; despondent; depressed