臥室在樓上。

The bedrooms are upstairs.

Source: Tatoeba

Sentence Composition

1 臥室 wòshì bedroom

classifier: 間
2 在 zài
  1. to exist; to be alive
  2. (of sb or sth) to be (located) at
  3. (used before a verb to indicate an action in progress)
3 樓上 lóushàng
  1. upstairs
  2. (Internet slang) previous poster in a forum thread