Many employees found the three-hour budget meeting dull, and several struggled to stay awake.

許多員工覺得那場三小時的預算會議很無聊，有好幾個人差點睡著。

The training manual is accurate but dull, so HR plans to add videos and real case studies.

這本訓練手冊內容正確但很枯燥，所以人資部打算加入影片和真實案例。

Passengers complained that the in-flight entertainment was dull and offered only a few old movies.

乘客抱怨機上娛樂很無聊，只提供幾部老電影。