搤空異用字挖空、挖孔、搤孔iah-khang動詞掘、挖。以工具挖出小洞。動詞揭發他人的短處。莫相搤空。Mài sio-iah-khang.別互相揭短。類義挖空óo-khang/ué-khang破空phuà-khang落氣làu-khuì蹊蹺khi-khiau黜臭thuh-tshàu