phah-chio-ho͘拍招呼

to greet

to greet (someone); to say hello; to give prior notice

English Wiktionary, “拍招呼” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E6%8B%8D%E6%8B%9B%E5%91%BC · confidence: Medium (Wiktionary)