shuō qīngchu mùbiāo, wèntí, xiūzhèng dòngzuò, bǐ yījù 'yǐhòu wǒ huì gèng nǔlì' gèng kěxìn

说清楚目标、问题、修正动作，比一句“以后我会更努力”更可信。

Clearly explaining the goals, problems, and corrective actions is more credible than simply saying 'I will work harder in the future.'