He glues his face to the books.
他是个只会读书的书虫。
看字面的解释就知道,把自己的脸黏在书上,当然就是说很喜欢念书的意思,含有批评的味道在内。这句话简单地说,就是 "He is a nerd."(他是个书呆子)或是 "He is a book worm."