i don't know shit about my dad 怎么翻译?为什么要加一个shit

i don't know shit about my dad 怎么翻译?为什么要加一个shit 美国俚语 ：you don't know shit Do you know what i am thinking now ``Shit i know you don`t know!啥意思``?帮下翻译那个shit 是骂人的? I don't give a damn shit. I don’t give a shit! I don't know. Don't eat shit “i don't know you know i don't know I don't give it a shit,I give it a shit有什么区别? I don't give a shit what you I don't give a fuck, shit 是什么意思 i don't give it a shit----什么意思 I don't give a shit这是什么意思呢 i don't give a shit how it happend. sorry,I don't know. i don`t know much I don't really know. 英语；I don't know