boredom

名词

1. 1

   无聊、厌倦、烦腻

   He started learning the guitar out of sheer boredom.

   他纯粹因为太无聊才开始学吉他。

2. 2

   单调、乏味

   Nothing could relieve the boredom of that long train ride.

   那趟漫长的火车旅程单调乏味，怎么也排解不了。