Phono-semantic — one part hints at the meaning, another at the sound
Example phrases
在古籍修复领域,他算得上真正的行家。Zài gǔjí xiūfù lǐngyù, tā suàndeshàng zhēnzhèng de hángjia.In the field of restoring ancient books, he can be counted as a genuine expert.
这位老师傅是修表的行家。Zhè wèi lǎo shīfu shì xiū biǎo de hángjia.This old master is an expert at repairing watches.
一看他选茶的样子,就知道是行家。Yí kàn tā xuǎn chá de yàngzi, jiù zhīdào shì hángjia.One look at how he chooses tea shows he is an expert.