1. He added that a student had dressed up as a policeman and was playing all sorts of silly jokes on people.
    还对工人说，有个学生常装扮成警察无聊地同别人开玩笑。

2. He used to spend hours playing with his children.
    他过去常常花上几个小时的时间与孩子们玩。

3. At the moment, they are playing in the garden.
    此刻, 他们正在花园里玩.

4. At the moment, they are playing in the garden.
    此刻，他们正在花园里玩。

5. "Jukus are playing on the status anxieties of these parents," said Makoto Oda, an author who taught in jukus in Tokyo for more than 20 years.
    课外学校就利用了家长们对地位的焦虑，"小田诚说。这位作家在东京的课外学校教书20多年了。

6. Some children were playing games on the bank and there were some people rowing on the river.
    孩子们在岸上做游戏, 有些人在河里划船。

7. She likes playing the violin.
    她喜欢拉小提琴。

8. Some children were playing games on the bank and there were some people rowing on the river.
    河岸上有些孩子正在玩耍，河面上有些人正在划船。

9. Soundproof walls would prevent people from disturbing each other by having loud parties or playing musical instruments.
    隔音墙可使人们在喧闹地聚会或演奏乐器时避免相互干扰。

10. See. You can´t allow a wild beast to go running about where kids are playing.
    想想看，你总不能允许一只野兽在孩子们玩耍的地方到处乱跑。