These words all describe a subject, activity, person or place that is not interesting or exciting.以上各词均形容话题、活动、人或地方等没意思、乏味。
boringnot interesting; making you feel tired and impatient指没有趣味的、令人厌倦或厌烦的：◆He's such a boring man!他那人无趣得很！◆She found her job very boring.她觉得自己的工作很无聊。
dullnot interesting or exciting指枯燥无味的、沉闷的：◆Life in a small town could be deadly dull.小城镇的生活可能会非常没意思。
tediouslasting or taking too long and not interesting, so that you feel bored and impatient指冗长的、单调乏味的、令人厌烦的：◆The journey soon became tedious.那次旅行不久就变得乏味起来。