我知道了。

I see. *边向对方表示自己已理解，边使对话顺利进行。

That's why I was late. (……所以我才来晚了。)

I see. (我知道了。)

嗯，嗯。

Uh-huh. *当同意对方的意见时，可以代替Yes。

啊，是吗?

You have? *①I've been to Chicago. (我去过芝加哥。) →You have? ②He's from Chicago.(他是芝加哥人。) →He is? ③He went to Chicago. (他去芝加哥了。) →He did? ④He is tall. (他的个子很高。) →He is? ⑤He's cooking now. (他正在做饭。) →He is? 以上各句的答句要作相应变化。

是那样吗?

Is that right? *可以只表示“是那样吗?”，也可以表示“这样对吗?”

Is that so?

Is that true?

Is that correct?

是那样。

That's right.

没错!

Exactly! *强调肯定的语气。

That's it exactly.

That's exactly it.

是吗?

Oh, yeah? *比较随便的说法。

是吗?

Is that so?

Really?

Oh, really?

Oh, do you?

Oh, you do?

Oh, you like it? (哦，你喜欢吗?)

Oh, thank you. (哦，谢谢。)

It's nice, isn't it? (是不是特棒呀?)

然后呢?

And? *希望对方继续说下去，和将对方正在考虑，正在想的事情引出来时。

我也是。

Me, too. *用于同意对方的意见及想法相同时。这是比较随便的说法，儿童之间常用。在工作场合最好不用。

So am I.

So do I.

So did I.

我也不……

Neither do I. *用于对对方“我不……”的话的回应，表示“我也不……”的意见时。比“Me, neither.”要正式。

Tom doesn't want to go. (汤姆不想去。)

Neither do I. (我也不想去。)

Me, neither. *说法比较随便。正式的工作场合最好不用。

别说傻话。

Don't be silly.

I'll pay for dinner. (我付晚饭的钱。)

Don't be silly. (别说傻话。)

Don't be foolish.

真是太倒霉了。

That's too bad. *听了对方叙述不好的事情时使用。

I've lost my wallet. (我丢了我的钱包。)

That's too bad. (真是太倒霉了。)

真的吗?

Are you sure?

真是太过分(遗憾)了!

What a shame!

那好哇。

Good! *答应、满足的语气。

真叫人吃惊。

What a surprise! *用于没想到的事情，或被对方出其不意地吓了一跳时。

我真希望不是这样。

I hope not.

要是那样就好了!

I hope so.

太棒了!

Great!

难以置信!

Unbelievable!

See? My dog can sing. (你知道吗?我的狗会唱歌。)

Unbelievable! (难以置信!)

Incredible.

开玩笑吧!

No kidding!

You're kidding!

You're joking!

That can't be!

行!没问题!

You bet.

May I borrow your pen? (可以借用你的钢笔吗?)

You bet. (当然行。)

No problem.

Sure.

Certainly.