芝兰之室

lit. a room with irises and orchids (idiom); fig. in wealthy and pleasant company

Zoysia pungens

lit. iris and orchid / fig. exalted sentiments / (expr. of praise for noble character, beautiful surrounding, future prospects etc)

surname Lan / abbr. for Lanzhou 蘭州|兰州[Lan2 zhou1], Gansu

orchid (蘭花|兰花 Cymbidium goeringii) / fragrant thoroughwort (蘭草|兰草 Eupatorium fortunei) / lily magnolia (木蘭|木兰)

(possessive particle, literary equivalent of 的[de5]) / him / her / it

surname Shi

room / work unit / grave / scabbard / family or clan / one of the 28 constellations of Chinese astronomy