dullness
n. 迟钝，钝度
例句
They enjoy anything that breaks the dullness of their routine life.
他们喜爱能打破他们规律生活的沉闷的任何事情。
《柯林斯英汉双解大词典》
Perhaps this is why many worry about the agonizing dullness of a jobless future.
也许这就是为什么很多人担心没有工作的未来会让人变得痛苦，令人沉闷。
In early May, London's Boring Conference celebrated seven years of delighting in dullness.
五月初，伦敦举办的无聊大会庆祝了七年无聊时光中的欢愉时刻。
