scratch their back造句

They want computers to do everything but scratch their backs.
"Lots of guys had sharks scratch their backs, " he said.
Bears like to scratch their backs against trees, too, leaving bits of hair against the bark.
It is intended that if a wikipedian has done something that you like, you leave this on their page to make a promise to scratch their back in the future.
Reporters expected a morally deranged world where the governor makes love to his first cousin and then appoints the idiot spawn securities commissioner while the hogs scratch their backs on the front porch.
It's difficult to find scratch their back in a sentence. 用scratch their back造句挺难的

You scratch their back, like they do for each other or do things that aid in their comfort, which can be anything from adjusting their tack to scratching in a favorite place or brushing a fly off.