同义词是give back to，例如：

1.They decided to give it back to its owner.他们决定把它归还原主。

2.It isn't mine; I must give it back to the owner.这不是我的，我得把它归还原主。

3.When customers do want to toss their pair, they can give them back to the store, which will repurpose and resell them.当顾客真想扔掉裤子时，可以将它们返还商店，店里会将其重做再售卖。