gangin'是什么表达方式?常规写法是什么啊?
Joey:Whydoyouhavetobreakupwithher?Beaman,juststopcalling.
Phoebe:Youknow,ifyouwant,I'lldoitwithyou.
Chandler:Oh,thanks,butIthinkshe'dfeellikewe'regangin'uponher.
Phoebe:No,ImeanyoubreakupwithJaniceandI'llbreakupwithTony.
gangin'是什么表达方式?常规写法是什么啊?