bend over backwards to do something

bend over backward(s)

1. Literally, to lean backwards. I'm so sore after bending over backwards and doing all those weird stretches at yoga this morning.
See also: bend, over
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

bend over backwards to do something

make every effort, especially to be fair or helpful. informal
Farlex Partner Idioms Dictionary © Farlex 2017

bend/lean over ˈbackwards to do something

try very hard to help or please somebody: I’ve bent over backwards to be nice to her, but she’s pushed me too far now.
Farlex Partner Idioms Dictionary © Farlex 2017
See also: