1. walk on air

释义：To be very happy. （非常高兴）

例句：Ann was walking on air when she got the job.

安得到那份工作时高兴极了。

On the last day of school, all the children are walking on air.

在学期的最后一天，所有的孩子都兴高采烈。

Susan has been walking on air ever since she got the official letter that she's been accepted as a graduate student at the University of California. You know, she never thought she had a chance.

自从苏珊收到加州大学正式通知书，说她被录取为研究生以后，她真是轻飘飘的，好像腾云驾雾一样。你知道吗，她从来没有想到她会被录取。

When I got the news I was being promoted to be Director of Marketing, I felt like walking on air. You know, this is what I've been after for years, and now I finally got it!

在我得到被提升为市场部经理的消息后，我真是感到飘飘然，走起路来好像腾云驾雾一样。你可知道，为了争取得到提升，我化了好几年的功夫。现在，我终于得到了。

2. give the game away

释义：To reveal something that was meant to be kept secret, especially a plan. （泄露，暴露，露出马脚）

例句：You're going to give the game away if you don't quit whispering about it!

如果你不停止窃窃私语，你会泄露秘密的!

They were trying to sneak up on the other team, but John's bright T-shirt gave the game away.

他们想偷偷接近另一队，但约翰鲜艳的t恤暴露了他们的秘密。

Now, all of you have to keep quiet. Please don't give the game away.

现在，你们所有人都必须保持安静。请不要泄露秘密。

West had intended to make his announcement in an article in The Times but the paper gave the game away by advertising the article a week before publishing.

韦斯特本打算在《泰晤士报》的一篇文章中宣布这一消息，但该报纸在文章发表前一周刊登了这篇文章的广告，从而泄露了这则消息。

3. keep bum

释义：To remain silent about something; not reveal a secret. （不要泄露秘密，保密）

例句：Make sure you kids keep mum in there or you're both grounded!

一定不要让你们的孩子泄露秘密，否则你们双方都会禁足。

You have to keep mum about Dave's retirement party—we want it to be a surprise.

你得对戴夫的退休晚会守口如瓶——我们想让它成为一个惊喜。

I just kept mum when she asked me where Ben was. She’d be furious if she knew.

当她问我本在哪里时，我只是保持沉默。如果她知道了，她会大发雷霆的。

Please will everyone keep mum about Saturday. We want to give them a real surprise.

请大家不要说星期六的事，我们想给他们一个真正的惊喜。