She is a shopaholic. 她是一个购物狂。
workaholic 工作狂
例句：
HongKong is a good place for a shopaholic. 香港对于购物狂来说是个好地方。 She is a real shopaholic,she buys clothes almostevery day. 她是一个真正的购物狂，她几乎每天都买衣服。 I seem to be a workaholic,but I don't want to. 我看起来像一个工作狂，但我并不想这样。