i don't know i could hurt like

i don't know i could hurt like I don't know. I don't know how I could repair the bike.此句I don't know后跟的是什么从句? “i don't know you know i don't know sorry,I don't know. i don`t know much I don't really know. 英语；I don't know I don't know miss I don't know him. I don't know now 翻译 i don't know So know,I don't I don't know her i don't know anything ----Could you tell me____?----Sorry,I don`t know.I was not at the meeting. i don't know what i I don't think I know you