to bend over backwards: meaning and explanation
If you bend over backwards, then you try your best or do everything you can to help somebody or to achieve something.
Note that this idiom is often used in negative contexts, to communicate the idea that you have done everything you can to help somebody, and that this is not appreciated. e.g. I’ve bent over backwards for him over the last few months and he didn’t even think to say thank you.
Have a go at these micro-dictation exercises to hear this expression being used in context – how much can you understand?
About the sentence
…then he jumps ship at the first opportunity…
At the first opportunity is a more formal alternative to as soon as possible. e.g. I plan on speaking to head office about this at the first opportunity.
Here is an exercise to practise the expression ‘to jump ship’.