Definition: when you use extra time or energy to do something Level: B2
谢谢你不辞辛苦地帮助我。
Thank you for taking the ___trouble to help me.
她不厌其烦地解释了两遍。
She took the ___trouble to explain it twice.
我可以捎你一程，一点也不麻烦。
I could give you a lift - it's no ___trouble.
