tedium-tedious

In that case, it will be back to the tedium.
如果是那样的话，又会回到一个沉闷乏味的阶段中。

The tedium of that work is hard to conceive.
这种冗长乏味的工作是常人难以想象的。

If tedious tasks could be eradicated, the world would be a much better place.
如果可以消灭那些单调乏味的工作，世界将会变得更加美好。