give something away   
phrasal verb with give verb uk/ɡɪv/ us/ɡɪv/ gave | given
  (FREE)      
 B1 赠送;捐赠;免费分发
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)
 - More examples
 - It's so cheap, we're practically giving it away.
 - The shop gave away a bottle of champagne to their 100th customer.
 - They've given away all their old books.
 - He gave away all his old records when he moved abroad.
 - If I can't sell it, I'll give it away.
 
  (SECRET)      
 B2 泄露,暴露(秘密)
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。 
 - More examples
 - The smoke from the fire gave their position away to the enemy.
 - He had inadvertently given away details of the bid to a rival firm.
 - The venue for their wedding is supposed to be a secret, so try not to give it away.
 - The company goes to great lengths not to give away details of their secret recipe.
 - The letter is supposed to be anonymous, but the handwriting gives it away.
 
  (GOAL/WIN)     
(体育比赛中)因为犯错(或执行不佳)让对手有机会得分(或取胜)
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。