a world of trouble 无穷无尽的麻烦；一个纷争的世界

【例句】
If there's no meaning in it , ' said the King, ' that saves a world of trouble, you know, as we needy't try to find any.
“如果诗里没有任何意义，”国王说，“那就免除了许多麻烦。你知道，我们并不要找出什么意义，而且我也不懂什么意义。”

Since they lost Miss Diana he's gone off to a shadow. Poor man, he's had a world of trouble.
自从他们失去了黛安娜小姐后，他深居简出。可怜哪，他灾难重重。