lǎo / bǎn / nù / hè / dào / shuí / yǔn / xǔ / nǐ / shàn / zì / dǎ / kāi / zhè / gè / wén / jiàn老板怒喝道:“谁允许你擅自打开这个文件?”The boss bellowed angrily, “Who allowed you to open this file without permission?”