L-1：lean over backwards 尽其所能
A: I heard that you've made friends with Mike.
A：听说你和迈克交上朋友了。
B:He is very kind, and always bends over backwards to help me whenever I am in trouble. I like him very much.
B：他这个人非常好，总是在我有困难的时候尽可能地帮助我，我非常喜欢他。
A:Will you be in love?
A：你们会谈恋爱吗？
B:Oh, I've never thought about it.
B：哦，我还从没想过这件事。
