at play

• The children are at play in the garden
  孩子们在花园里玩耍。
• The soldier was good at playing fife
  这名士兵善于吹笛子。
• From zhengzhou , to be good at playing clarinet , trumpet and sax
  来自郑州，擅长单簧管小号萨克斯演奏。
• Our class is better than any other class at playing basketball
  在我们学校里我们班的篮球打的比别的班好。
• He is a wizard at playing the piano
  他是个钢琴奇才。
• Ever live by cheating at play
  曾经靠赌博作弊为生么？
• I ' m quite good at playing the piano
  我钢琴弹得很好
• She ' s a wizard at playing harp
  她是弹奏竖琴的奇才。
• But deeper , more threatening forces are also now at play
  不过，表面之下确有更多因素正在威胁着公司的发展。
• He ' s a wizard at playing the piano
  他是个钢琴奇才。