例句：

　　He had given up attending lectures out of sheer boredom.

　　他已經(jīng)不再去聽講座了，純粹出于厭倦。

　　Where people were concerned, his threshold of boredom was low.

　　涉及人的事情，他便極易感到厭煩。

　　Television helps to relieve the boredom of the long winter evenings.

　　電視有助于打發(fā)漫長無聊的冬夜。

　　Out of sheer boredom I would pick up a book and read on and on.

　　在百無聊賴中，隨手抓過一本書來，讀下去。