As a matter of fact, ... 说实话…… Don't tell anyone. 别告诉任何人。 I have a confession. 我有件事要坦白。 I have a secret. 我有一个秘密。 I'll fill you in. 我把一切告诉你。 I'll level with you. 我就直说吧。 That is about all I know. 我知道的大概就是这些。 This is just between you and me. 我们私下里说。 It's a secret. 这是一个秘密。 Let me tell you a secret. 我告诉你一个秘密。 He can't keep a secret. 他不能保守秘密。 You've got a big mouth! 你的嘴不严。 I don't have the guts to say that to my boss. 我不敢对我的老板说。 A little bird told me. 听小道消息说。 I didn't say anything. 我什么都没说。 It was a slip of the tongue. 无意中说漏了嘴。 I won't say a word. 我一个字都不说出去。
I promise. 我保证。 I can't promise. 我不能保证。 Will do. 一定。 I swear. 我发誓。 Trust me. 请相信我。 A promise is a promise! 说到就得做到。