我知道的大概就是这些。

　　That is about all I know.

　　What else do you know? (其他你还知道些什么?)

　　That is about all I know. (我知道的大概就是这些。)

　　I don't know anything else about it.

　　That's all I know.

　　我们关起门来在这儿说。/我们私下里说。

　　This is just between you and me. *比较轻松的说法。直译为“你我俩人之间的事”。

　　This is just between you and me. (我们关起门来在这儿说。/咱们俩私下里说。)

　　What is it? (什么事呀?)

　　Let's keep our talk between us.

　　Let's keep this our little secret.

　　这是一个秘密。

　　It's a secret.

　　我告诉你一个秘密。

　　Let me tell you a secret.

　　他不能保守秘密。

　　He can't keep a secret.

　　你的嘴不严。

　　You've got a big mouth!

　　我不敢对我的老板说。

　　I don't have the guts to say that to my boss. *guts表示“勇气”。

　　听小道消息说。

　　A little bird told me. *说不清楚是从哪儿听来的，或者不愿意说出是从谁那儿听来的情况下使用。

　　A little bird told me that today is your birthday. (听说今天是你的生日。)

　　Wait. Who told you? (喂!谁告诉你的?)

　　I heard it through the grapevine. *grapevine 原意为“葡萄藤，葡萄属植物”，这里表示“谣言，传闻”。比较常用。

　　I just overheard it.

　　我什么都没说。

　　I didn't say anything. *表示自己没有泄密的说法。

　　I kept my mouth shut.

　　I didn't let the cat out of the bag. *表示“没有泄露秘密”的固定说法。

　　无意中说漏了嘴。

　　It was a slip of the tongue.

　　It was a slip of the tongue. (无意中说漏了嘴。)

　　Really? Didn't she know about it? (真的吗?难道她不知道?)

　　I spilled the beans. (我泄露了秘密。)

　　I stuck my foot in my mouth. (我把不好/失礼的事说出去了。)

　　我一个字都不说出去。

　　I won't say a word. *用来表示“保证对谁都不说出去”。

　　Mum's the word. (我什么都不说。)

　　I won't say anything. (我什么都不说。)

　　My lips are sealed. (我的嘴很紧。)

　　●约定

　　我保证。

　　I promise.

　　You can't tell anyone. (你不能告诉任何人。)

　　I promise I won't. (知道，我保证。)

　　我不能保证。

　　I can't promise. *“不能保证，但可以试试”。表达想帮助对方的心情。

　　You have to come. (你也来吧!)

　　I'll try but I can't promise. (我争取去，但不能保证。)

　　一定。

　　Will do.

　　Remember to bring the report. (记住带上你的报告。)

　　Will do. (一定带来。)

　　我发誓。

　　I swear. *语气强烈。

　　Are you sure? (是真的吗?)

　　I swear. (我发誓。)

　　请相信我。

　　Trust me.

　　I'm not sure. (我没有把握。)

　　Trust me. (请相信我。)

　　Believe me.

　　I know what I'm doing.

　　You can trust me.

　　Trust in me.

　　说到就得做到。

　　A promise is a promise!

　　I'm sorry I can't help you. (对不起，我帮不了你。)

　　You said you would. A promise is a promise! (你说过你可以，说到就得做到。)

　　You promised! (你不是答应我了吗!)

　　You can't go back on your promise now! (你现在不能食言。)