Baxter's Middle Chinese reconstruction has 拉 as *lop, which surprised me given that the Cantonese reflex is laai1. Other characters with the rime -op such as 合, 答 and 雜 end up with the rime -ap or ...
In Cantonese, 打机 is used colloquially to refer to playing video or computer games. Where does the expression/word come from, and is it also used in Mandarin? If not, what is a similar Mandarin ...