1. How are you? - 你好吗?
2. Thank you. - 谢谢。
3. Excuse me. - 对不起。
4. I'm sorry. - 我很抱歉。
5. Can you help me? - 你能帮我吗?
6. What's your name? - 你叫什么名字?
7. Where are you from? - 你来自哪里?
8. How old are you? - 你多大了?
9. What's your favorite color? - 你最喜欢的颜色是什么?
10. I don't understand. - 我不明白。
11. Can you repeat that, please? - 请你再说一遍好吗?
12. I need some help. - 我需要帮助。
13. Nice to meet you. - 很高兴认识你。
14. Have a nice day! - 祝你有个愉快的一天!
15. I'm hungry/thirsty. - 我饿了/渴了。
16. What's the time? - 几点了?
17. I'm tired. - 我累了。
18. Can I borrow a pen? - 我可以借支笔吗?
19. Where is the bathroom? - 厕所在哪里?
20. I'm sorry, I don't know. - 对不起,我不知道。