He gave back the money he found to the person who'd lost it.他把捡到的钱归还给了失主。

Her encouragement helped to give me back my self-confidence. [=her encouragement helped me to get my self-confidence back]她的鼓励帮助我找回了自信。

They agreed to give him his old job back.他们答应让他恢复原来的工作。