I am bored to death.

我无聊死了。

This class is a real drag.

这门课很无聊。

I dare say you're dull at home.

我敢说你在家里感到沉闷无聊。

Everything here has gone flat and unprofitable.

这儿的一切都既平淡又无聊。

I'm sitting around twiddling my thumbs.

我坐在那闲得无聊。

I sat out the film last night tough it was quite uninteresting.

尽管昨晚的电影很无聊，但我还是坚持看到完。

I am so weary of this place，and I would fain be at home.

我在这里无聊极了；我真想回家。

That play struck me as silly.

那出戏我觉得很无聊。

If time hung heavy upon me, I could walk it away.

如果我实在闲得无聊，我就出去走走。

Since losing his job, he has often experienced a profound sense of ennui.

他自从失业以来，常觉百无聊赖。