Tiān / qì / nuǎn / huo / yǐ / hòu / tā / tuō / qù / hòu / wài / tào / huàn / shàng / le / chèn / shān天气暖和以后,他脱去厚外套,换上了衬衫。After the weather warmed up, he took off his heavy coat and put on a shirt.