1. 拼命：bend oneself to致力于 | bend over backwards拼命 | bend over俯身

2. 竭尽全力：behind bars 坐牢 | bend over backwards 竭尽全力 | bend out of shape 大发雷霆

3. 不遗余力：16. bow out 不干了,退出 | 17. bend over backwards 不遗余力 | 18. get lost 滚开

4. 不遗余力,拼命：Belt and suspenders 做事 小心谨慎 | Bend over backwards 不遗余力,拼命 | Bend someone's ear 咬耳朵,抱怨

verb

1. try very hard to please someone

e.g. She falls over backwards when she sees her mother-in-law

Synonym: fall over backwards