Traditional: 樓上
楼上 (lóu shàng) means “upstairs; (Internet slang) previous poster in a forum thread”. It is an HSK 1 Chinese word (traditional 樓上) in the HSK 3.0 vocabulary.
Practice each character:
他住在楼上。
Tā zhù zài lóushàng.
He lives upstairs.
Updated: 2026-07-18