But I have to make sure that you keep this from your friends.但我得確保你不會告訴你的朋友們

make sure弄明白； 設法確保

I'm going to make sure if I'm going to Macao.

我要拿定主意我是否去澳門。

Make sure his appointment doesn't clash with mine.

一定不要讓他的約會跟我的約會訂在同一個時間。
keep from阻止, 妨礙

I hope you will keep from doing nothing rash.

我希望你不要做出任何魯莽的事情來。

She bit her lip to keep from crying.

她咬著嘴唇克制著自己不要哭。

I promised I wouldn't keep anything from you.我保證過不隱瞞你任何事

promise, allow這兩個詞都可譯為“答應”,其區別是：

allow含義是“允許”,而promise含義是“應承”。例如：

He has allowed me to come.

他允許我來。

He promised me to come.

他答應我他會來。

If it got out before the police...如果消息在警局公布之前就走漏了...

get out泄漏

I wouldn't want it to get out on him.

我不想他把這一秘密泄露出去。