1·Tell none--keep the secret.
别告诉任何人——保守秘密。
2·You'll know how to keep the secret.
你会知道如何保守秘密的。
3·It'll be our secret, and you should keep the secret.
这是我们的秘密，你应该保守这个秘密。
4·He can't keep the secret, sharing one friend's secret to everybody.
他不能保守朋友的秘密，还将秘密告诉别人。
5·We promise to keep the secret to ourselves.
我们保证保守这个秘密。
6·Can you keep the secret for me?
你能为我保守秘密吗？
7·Sure, I will keep the secret.
放心，我会保守住秘密。
8·He pledged to keep the secret.
他发誓保守该秘密。
9·Would you please keep the secret for me?
请你帮我保守秘密好吗？
10·Of course, I will keep the secret for you.
那当然啰。我会守口如瓶。