boredom
n. 厌烦，无聊
例句
He had given up attending lectures out of sheer boredom.
他已经不再去听讲座了，纯粹出于厌倦。
《柯林斯英汉双解大词典》
Where people were concerned, his threshold of boredom was low.
涉及人的事情，他便极易感到厌烦。
《牛津词典》
Television helps to relieve the boredom of the long winter evenings.
电视有助于打发漫长无聊的冬夜。
