bend over backward
US /bɛnd ˈoʊvər ˈbæk.wərd/
UK /bɛnd ˈoʊvər ˈbæk.wərd/
1.
to try very hard to help someone or to please them
:
•
She would always bend over backward to make her guests feel comfortable.
•
The company will bend over backward to keep its best employees.