去旅行之前背了一堆单词，到了机场真的要说话的时候，脑子一片空白。这不是词汇量的问题，是因为我们背的是单词，而真实场景需要的是句子。"check-in"这个词认识，但"How do I check in for my flight?"这句话能不假思索说出来，才是真正有用的英语。
机场场景：值机、安检、登机
机场是最容易紧张的地方，因为时间有压力，说错了还会有影响。以下是最高频的表达：
值机（Check-in）
- My flight is to London. / I'd like to check in for flight CA981.
- I have one bag to check in. / I only have a carry-on.
- Could I have a window seat? / Is there an aisle seat available?
行李问题
- Is my baggage overweight? — 我的行李超重了吗？
- Where do I pick up my luggage? — 在哪里取行李？
- My luggage is missing. / I can't find my bag. — 行李丢了
登机
- Where is gate B12? — B12登机口在哪？
- Is this flight on time? — 这班飞机准时吗？
- Has boarding started? — 开始登机了吗？
酒店场景：入住、房间问题、退房
入住（Check-in）
- I have a reservation under [your name]. — 我有预订，名字是……
- Could I have a room on a higher floor? — 能给我一个高楼层的房间吗？
- What time is breakfast? — 早餐几点开始？
房间问题
- The air conditioning isn't working. — 空调坏了
- Could you bring an extra towel? — 能再送一条毛巾来吗？
- There's no hot water. — 没有热水
退房
- I'd like to check out. — 我要退房
- Could you call me a taxi? — 能帮我叫出租车吗？
餐厅场景：点餐、特殊需求、买单
- A table for two, please. — 两个人，麻烦安排一下
- I'd like to see the menu. — 我想看一下菜单
- What do you recommend? — 你们有什么推荐？
- I'm allergic to nuts. — 我对坚果过敏
- Could I have this without onions? — 这道菜能不加洋葱吗？
- The bill, please. / Can I pay by card? — 买单，可以刷卡吗？
购物和问路
购物
- How much is this? / Do you have this in a larger size?
- Can I try this on? — 我能试穿吗？
- Do you accept credit cards? — 能刷信用卡吗？
问路
- Excuse me, how do I get to the train station? — 请问去火车站怎么走？
- Is it within walking distance? — 走路能到吗？
- Could you show me on the map? — 能帮我在地图上指一下吗？
记住句子比记单词有用得多
以上这些表达，最有效的练法是把完整句子出口化，不只是在脑子里认识，要真正能脱口而出。每天花10分钟，把这些句子大声说出来或者打出来，到真实场景里才能自然反应。