tiān / qì / zhuǎn / lěng / hòu / nǎi / nai / gěi / hái / zi / zhǔn / bèi / le / jǐ / jiàn / hán / tiān / shān天气转冷后,奶奶给孩子准备了几件寒天衫。After the weather turned cold, Grandma prepared several pieces of winter clothing for the child.