The highest part of the sky; according to ancient legends, there are nine layers of heaven.

The 9th day of the 9th lunar month; also known as the [[重阳节|重陽節|chong2 yang2 jie2]]

the nine layers of the celestial sphere in traditional cosmology, often used to describe the immense height of the sky

An evergreen climbing plant with colorful paper-like bracts surrounding small flowers, commonly used for garden screens and hedges; also known as [[南美紫茉莉|南美紫茉莉|nan2 mei3 zi3 mo4 li4]] or "paper flower"