qiáng jiǎo / jiù qī / shòu cháo / hòu / kāi shǐ / tuō pí / lù chū / le / xià miàn / de / shuǐ ní墙角的旧漆受潮后开始脱皮,露出了下面的水泥。After the old paint in the corner became damp, it began to peel, exposing the cement underneath.