Tā / zài / zhòng / rén / miàn / qián / chéng / rèn / cuò / wù / jué / de / zì / jǐ / yán / miàn / sǎo / dì

他在众人面前承认错误，觉得自己颜面扫地。

He admitted his mistake in front of everyone and felt completely humiliated.