I'd bet dollars to doughnuts he's a medical student.

打赌他是个医科学生。

Uh... We usually eat battercake, fried doughnuts,tea-boiled eggs, pickled vegetables and soybean milk etc. for breakfast.

嗯……们早餐经常吃煎、油炸圈、茶叶蛋、腌菜和豆浆等等。