to make every effort possible
Examples:
- I bent over backwards trying to solve my customer’s problem. He appreciated my effort.
- I refuse to bend over backwards for Noah because he never shows any appreciation for our help.
- They've bent over backwards to train you in time — a little thank-you is appropriate.
- The customer service team bent over backwards to resolve the complaint.
Synonyms: lean over backwards, go the extra mile, move heaven and earth