无聊在英语中，可以用以下单词表示：
bored; in extreme depression; menial; poor; ennui; routine
在句子中，可以这么表达：
1、有几个年青人闲坐着，一副无聊的样子。
There were several young people sitting around looking bored.
2、我觉得无聊极了。
I was bored rigid.
3、这个会议自始至终都无聊透顶。
The meeting was one big yawn from start to finish.
4、由于实在闲极无聊，我开始无节制地大吃起来。
I started to eat too much out of sheer boredom.
5、真是见鬼！我可从没听说过这样无聊的事。
A ghost indeed! I've never heard anything so silly.
6、长时间等待实在无聊，我们就打扑克来解闷儿。
We played cards to relieve the boredom of the long wait.
7、电视有助于打发漫长无聊的冬夜。
Television helps to relieve the boredom of the long winter evenings.
8、我们结束这场无聊的争辩吧。
Let's have done with this silly argument.
9、电视上全是些无聊的东西。
There's nothing but junk on the TV.
10、她不得不款待当地一些无聊的大人物。
She had to entertain some boring local bigwigs.
11、戴维辞掉了他那份无聊的工作，走上自我发现的道路。
David left his boring job to go on a journey of self-discovery.
12、我不能把时间浪费在这种无聊的活动上。
I can't waste time on such frivolities.
13、有些部门的无聊琐事太多。
In some departments there is too much make-work.
14、也许这次骑马的无聊活动比她所想象的要好玩一些。
Perhaps this riding lark would be more fun than she'd thought.
15、她思量着自己空虚无聊的生活。
She contemplated the sterility of her existence.
水水香蓝草
