同学你好，该知识点来自沪江网校《英语零基础直达大学六级【全额奖学金班】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。

同学你好~
trouble在这里的意思是“努力，功夫”
I'll get it if you like, that will save you the trouble of going out.
如果你愿意的话我去取，省得你还得出去。
She went to a lot of trouble to find the book for me.
她不辞劳苦把书给我找到了。

take trouble 尽心尽力地做……
They take a lot of trouble to find the right person for the right job.
他们竭力寻找适合做这项工作的人。

he was grateful for the trouble Bill had taken 他很感激Bill做出的努力

可以在这里看看trouble的用法
https://www.hjenglish.com/new/p801610/

祝同学学习进步~