lǎo / fáng / zi / de / qiáng / miàn / tū / āo / bù / píng / chóng / xīn / fěn / shuā / qián / děi / xiān / xiū / bǔ老房子的墙面凸凹不平,重新粉刷前得先修补。The walls of the old house are uneven and must be repaired before repainting.