bend/lean over backwards idiom
C1 竭力，尽力
to try very hard to do something
I've been bending over backwards trying to help you, and this is all the thanks I get! 我一直在尽力帮助你，没想到这就是你对我的感谢！
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。