Tiáo / jiě / yuán / yīng / gāi / bǎo / chí / gōng / zhèng / bù / néng / zài / zhēng / chǎo / zhōng / lā / piān / jià

调解员应该保持公正，不能在争吵中拉偏架。

A mediator should remain impartial and must not favor one side during an argument.