lit. when one beats a dog, one must answer to its master (idiom) / fig. before punishing sb, one should consider how that would affect others associated with him
(idiom) to refer to sth by the name its owners use / to refer to a place by the name its inhabitants use (e.g. refer to Seoul as 首爾|首尔[Shou3 er3] rather than 漢城|汉城[Han4 cheng2])