关于“出国旅游”的英语表达，综合多个权威来源整理如下：

一、基础交流短语

问候与寒暄

- Hello/Hi + 时间说明：

- Hello! It's been a long time.

- Hi! How's your day going？

- 国内常用翻译：

- 你好吗？/ 最近怎么样？/ 晚上好？

方向与交通

- 问路：

- Excuse me, can you tell me how to get to [地点]？

- Where is the [景点/餐厅]？

- 公共交通：

- How much does a ticket cost？

- Which platform should I go to？

- 指路辅助：

- Turn left at the second intersection.

- Walk straight for about 5 minutes.

二、生活服务用语

住宿与餐饮

- 预订房间：

- I'd like to book a room for two nights.

- We have reserved a table for 8 people.

- 餐厅点餐：

- Could I see the menu, please？

- I'll have the steak, medium rare.

- 洗漱用品：

- Where can I find toothbrush and toothpaste？

- Do you sell handkerchiefs here？

购物与消费

- 询问价格：

- How much is this souvenir？

- Is there any discount on this item？

- 售后服务：

- Can I return this dress if it's not right？

- Where can I check out？

- 小费文化：

- It's customary to leave 15% as a tip.

三、应急与求助

迷路：

I'm lost, can you help me？

医疗需求：

I need a doctor, please.

紧急情况：

This is an emergency!

四、其他实用表达

携带规定：

You can't take that [item] as carry-on luggage.

货币兑换：

I want to change some U.S. dollars.

餐饮习惯：

Could we get the check, please？

建议结合具体场景灵活运用，注意发音和语调，避免因文化差异产生误解。日常交流中可优先使用简单句式，复杂表达可逐步学习。