Why is he crying
他哭什么
“Tom，what's the matter with your brother?” asked the mother in the kitchen. "He's crying."
“汤姆，你弟弟怎么了？”妈妈在厨房里问，“他在哭啊！”

"Oh, nothing, Mum," replied Tom, "I'm eating my cake. He is crying because I won't give him any."
“哦，没事，妈妈，”汤姆回答，“我在吃蛋糕。因为我没给他吃，他就哭。”

"But has he finished his own cake?"
“他的蛋糕吃完了？”

"Yes," said Tom, "and he also cried when I was helping him finish that!"
“是的。”汤姆说，“我帮他吃蛋糕时他也是哭！”