“行话”的拼音为：háng huà...

他们的行话外人听不懂。Their jargon is impenetrable to an outsider.他谈话中使用的行话对我是一团迷雾。The jargon in his talk was opaque to me.话题触及国防,缩合字, 缩写字和行话就满天飞.Scratch the subject of defence and acronyms, abbreviations, and buzzwords fly out....

“行话”的英语可以翻译为：jargon，cant，gammon and patter，jargoon，lingo ...