zài / zhèng / shì / chǎng / hé / bù / yào / suí / biàn / shuō / mā / lā / ge / bā / zi / zhè / jù / huà / fēi / cháng / cū / sú在正式场合不要随便说“妈拉个巴子”，这句话非常粗俗。Do not casually say “fuck” in formal settings; it is extremely vulgar.