Word: 孔 (kǒng) 孔 dictionary entry kǒng hole; classifier for cave dwellings; surname Kong Full dictionary entry for 孔 Example sentences using 孔 3 sentences, showing page 1 of 1. 墨子最早研究小孔成像。 Mòzǐ zuì zǎo yánjiū Xiǎo Kǒng chéngxiàng. Mozi was among the first to study pinhole imaging. 山坡上有三孔旧窑洞。 Shānpō shàng yǒu sān Kǒng jiù yáodòng. There are three old cave dwellings on the hillside. 我的邻居姓孔，是个医生。 Wǒ de línjū xìng Kǒng, shì gè yīshēng. My neighbor's surname is Kong, and he is a doctor.