a dull book

• 枯燥无味的书

a dull book的用法和样例：

例句

1. She skipped the dull part of the book.
   她略去书中枯燥无味的那一部分。
2. It was a dull play but at that Jack enjoyed it.
   那是出枯燥无味的戏，可是杰克还真喜欢它。