Excuse me. 不好意思。
I don’t understand. 我不了解。
Could you repeat it again? 請再重複一遍。
Please write it down here. 請寫下來。
Wait a moment, please. 請等一下。
Can I see the address? 我可以看一下地址嗎?
What is the name of the hotel? 請問旅館的名字是什麼?
What time is your train? 你的火車是幾點?
What terminal are you flying from? 請問你要去哪個航廈?
When is your flight? 你的班機是幾點?
Do you understand me? 你了解嗎?