1. Believe it or not !

信不信由你！

【相关例句】

Believe it or not, I'm going to America tomorrow!

信不信由你，我明天就要去美国了。

2. Don't let me down!

别让我失望！

【相关例句】

Don't let me down.Keep your promise.

别让我失望，请遵守你的诺言。

3. Easy come easy go!

来得容易去得也快！

【相关例句】

There is no time like the present! Easy come , easy go!

机不可失，时不再来!来时容易，去时快！

4. Great minds think alike!

英雄所见略同！

【相关例句】

Great minds think alike, that's just what I'm going to say.

英雄所见略同，这正是我所要说的。

5. Give me a hand!

帮我一个忙！

【相关例句】

Can you give me a hand?

你能帮我一个忙吗？

6. Make up your mind!

作个决定吧！

【相关例句】

Make up your mind, are you going or not ?

做个决定吧！你是去还不去？

7. Nice talking to you!

很高兴和你聊天！

【相关例句】

I really have to go now. It was nice talking to you.

我现在该走了，跟你谈话很开心。

8. Please don't rush me!

请不要催促我！

【相关例句】

Paul: please don't rush me!

保罗：请不要催促我！

9. That's always the case!

习以为常！

【相关例句】

That's not always the case.

但事实并非总是如此。

10. So far, so good.

过得去。

【相关例句】

The work is rather difficult, but so far so good.

工作相当困难，但到目前为此还算顺利。