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.