1. Let us have a rest/break. You may go to the washroom/toilet. 休息一会儿.去厕所吧. 2. Please drink some water. 去喝水吧. 3. Please wash your hands before you com...e back from the washroom. 从厕所出来前要洗手. 4. Remember to turn off the tap after washing your hands. 洗完手,请记着关好水龙头. 5. Do not leave/keep the taps running, please. 请关好水龙头. 6. Please speak quietly. Do not shout/yell. 请小声点,不要喊. 7. What is the matter?/What is wrong with you? 怎么了?/出了什么事? 8. Be careful, Tom! It is not good to run fast. 小心,汤姆,不要跑得那么快. 9. Please go back to your seat./You many go back to your seat. 请回到座位上. 10. No pushing, please. Make two lines, boys are/line up here, girls are/line up there. 请不要推.排成两面三刀排,男孩子在这儿,女孩子在那儿.