由衷yóuzhōngheartfelt; sincere; from the heartHSK 7-9PronunciationyóuzhōngExample sentence我由衷地感谢你的帮助。Wǒ yóuzhōng de gǎnxiè nǐ de bāngzhù.I sincerely thank you for your help.Read and choose an answerOne fixed sampleExplore a sample