合上书。

Close the book.

Source: Tatoeba

Sentence Composition

1 合上 héshàng to close (box, book, mouth etc)
=2 书 Shū abbr. for 书经 Shūjīng
=2 书 shū
  1. book
  2. letter
  3. document
  4. to write

classifiers: 本, 冊, 部