见了面寒暄几句:Hey, how's going? OR What's going on?
我有带干净的拖鞋,我需要换拖鞋么?: Should I take off my shoes and wear slippers? I brought my own.(最后你可以像开玩笑的一样) They are clean!
能借你的浴室洗澡么?: May I use your bathroom to take a quick shower?
我能多住多久?:How long can I stay at your house?
我能多住一晚?: May I stay one more night, please?
明天我要离开,谢谢你的款待.: I'm leaving tomorrow, thank you for letting me stay. I appreciate your kindness.
如果你真的住在人家了,注意礼貌就好. 让他们感觉到你很感激就可以.