A：How is he?
他身体怎么样?
B：Not very well. He was white about the gills.
不好，他脸色苍白。
A：Did he see the doctor?
他看过医生了吗?
B：Yeah, but he refused to take the medicine.
看过了，可是他拒绝吃药。
A：Why?
为什么。
B：I don't know the reason.
我不清楚原因。