- If you have finished your translation, please hand back my dictionary.
如果你的翻译己经完成了,那就请把字典还给我。
- When you finish reading, please hand back the book.
阅后请将图书递还。
- Please, don't forget to hand back your room key before you leave the hotel.
在离开旅馆之前,请不要忘记交还房间的钥匙。