Does he need a ticket?
他需要票吗？
As stipulated, chikfren over the height of one meter should be charged.
按规定，超过1米高的孩子都应该买票。
Children can travel half fare.
儿童可以半票乘车。
Is he an "adult" or a "child"?
他是成人票，还是儿童票？
Children under ten years old can travel half fare.
10岁以下儿童半票。