听力资源简介：

boring　
(a.) 无趣的

You thought the book was boring? I thought it was very interesting.
你觉得那本书很无聊？我觉得很有趣呢。

rude　
(a.) 无礼的

It's very rude to eat with your mouth open.
张嘴吃东西很没有礼貌。