zhè / jù / huà / fēi / cháng / cū / sú / zhèng / shì / chǎng / hé / qiān / wàn / bú / yào / shuō / mā / le / ge / bā / zi

这句话非常粗俗，正式场合千万不要说“妈了个巴子”。

This expression is extremely vulgar, so never use it in a formal setting.