Excuse me. (劳驾。)
Can I help you? (有事吗?)
Pardon me.
喂，你!
Hello, there!
Hi, there!
喂!
Hey! *表示呼吁、喜悦、吃惊等。口气有些傲慢无礼，所以对不认识的人最好用Excuse me.
Yo!
Hey, you!
Say! *比较旧的说法。
你有空吗?
Do you have time? *“你有时间吗?”，如果是Do you have the time?的话，意思是“你知道几点了吗?”。
Do you have time? (你有空儿吗?)
Sure. (有空。)
Do you have a minute?
我想求你件事行吗?
Can I ask you a favor? *常用在需要拜托或请求别人之前。
Can I ask you a favor? (我想求你件事行吗?)
Sure. What is it? (当然。什么事?)
Can I ask you a favor? (我想求你件事。)
Sorry, I'm busy. (对不起，我很忙。)
May I ask a favor of you? *更礼貌的说法。
Could you do me a favor?
Could you help me?
Can you help me?
我想打听点儿事。
May I ask you something?
May I ask you something? (我想打听点儿事。)
Sure. Go ahead. (当然，请说吧。)
May I ask (you) a question?
I'd like to ask you something.
I have a question.
Could you tell me something?
Do you have time to answer a question?
Could you answer a question?
I hate to bother you, but can I ask you a question? (真不好意思，打扰您了，我可以问个问题吗?)
对不起，打断一下可以吗?
Sorry for interrupting. *向正在工作或正在说话的人说话时的表达方式。
Sorry for interrupting... (对不起，打断一下可以吗?)
Oh, you're not. (噢，没关系。)
I'm sorry to interrupt you.
May I interrupt you?
Excuse me for interrupting.
Forgive me for interrupting.
你猜怎么着?
Guess what? *跟对方说话时，说Guess what?来吸引对方的注意。
Guess what? (你猜怎么着?)
What? (怎么啦?)
You know what?
对不起，我认错人了。
Sorry, I mistook you for someone else. *错向陌生人打招呼时。
Sorry, I mistook you for someone else. (对不起，我认错人了。)
That's all right. (没关系。)
Sorry, I thought you were someone else.
You're not who I thought you were. Sorry.
Oops. My mistake. (不好，我弄错了。)
我能用一下您的电话吗?
May I use your phone?
May I use your phone? (我能用一下您的电话吗?)
Go right ahead. (请用吧。)