是是非非谁对谁错
[shì shì fēi fēi shéi duì shéi cuò]
'是是非非谁对谁错' (Right and wrong—who's right and who's wrong) reflects contemplation over the complexities of truth, judgment, fairness, etc., implying doubt or questioning about moral standards. There’s also acknowledgment here that sometimes distinguishing right from wrong can get tricky.