qún lǐ zhíjiē shuō “nǐ zěnme hái méi zuò” hěn róngyì bǎ hézuò biànchéng chōngtū群里直接说“你怎么还没做”很容易把合作变成冲突。Saying 'why haven't you done it yet' directly in the group can easily turn cooperation into conflict.