ha'porth
noun UK old-fashioned informal uk/ˈheɪ.pəθ/ us/ˈheɪ.pɚθ/
(not) a ha'porth of difference （没）有任何区别
(not) any difference
You can shout as much as you like but it won't make a ha'porth of difference - you're not going. 你尽可以大喊大叫，但这什么也改变不了——你不能去。