to give something to someone without asking for payment

The shop is giving away a sample to every customer. 商店赠送给每一位顾客一个样品礼包。

Nobody wants this type of heater any more - I can't even give it away! 这种加热器没人再愿意要了——我连白送都送不出去！

See also: giveaway noun (GIFT)

to tell people something secret, often without intending to

The party was meant to be a surprise, but Sharon gave it away. 办这个聚会本来是要给大家一个惊喜，可是沙伦泄漏了秘密。

I won't give the game (= the information or plan) away. 我不会泄密的。

to allow an opponent to score a goal or win a game by making a mistake or doing something very badly

You can't give away goals as easily as we did and win games at this level. 在这样的层次上，如果像我们这样轻易让对手进球的话，你是不可能取胜的。

to show someone's secret feelings

She thinks no one knows how much she likes him, but her face when I said he'd be there really gave her away! 她以为没有人知道她多么喜欢他，但是当我说他要去那儿时，她的表情把她的内心情感暴露无遗！

in a marriage ceremony, to formally bring a woman who is getting married to the front of the church so that she is standing at the side of her future partner, and then to give permission for her to marry

The bride was given away by her father. 新娘的父亲把她交给了新郎。