• 把(某物)交还给某人,使某人重新获得

hand on依次传递handn.手；协助；手艺v.给；传Hand.n.汉德（英文姓）handgrip for backstroke start仰演泳出发握手器Hand-held patrol instrument掌上巡检仪hand - held electric drills手持式电钻Hand in your activity book.把活动手册交上来。hands over bridge engineering立交桥工程hand welding electrode holder手工焊接电焊把handheld reading meter device手持抄表器hands-and-clothes monitor手衣放射性污染监测仪hand brake compression spring手闸压缩弹簧handwritten digit recognition手写体数字识别

1. 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。
2. When you finish reading, please hand back the book.
   阅后请将图书递还。
3. 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。