tā / duì / zì / jǐ / de / cuò / wù / bù / huì / zhǔ / dòng / xiàng / dà / jiā / shuō / míng / le / yuán / yīn他对自己的错误不讳,主动向大家说明了原因。He did not conceal his mistake and took the initiative to explain the reason to everyone.